Test of special relativity using a fiber network of optical clocks
|
|
|
- Brianne Patrick
- 5 years ago
- Views:
Transcription
1 Test of special relativity using a fiber network of optical clocks P. DELVA SYRTE, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Univ. Paris 06, LNE Journée GPhys 2017 Observatoire de Paris/Meudon, France, June 19, 2017 Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
2 The Robertson Mansouri Sexl (RMS) framework Kinematical framework which assumes the existence of a preferred frame Σ where light propagates rectilinearly and isotropically in free space with constant speed c [Robertson, 1949, Mansouri and Sexl, 1977a, Mansouri and Sexl, 1977b, Mansouri and Sexl, 1977c] Ordinary Lorentz transformations from Σ to the observer frame S with relative velocity w are generalized to allow for violations of SR: T = a 1 (t c 1 ɛ x) X = d 1 x (d 1 b 1 )( w x) w/w 2 + wt, Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
3 The Robertson Mansouri Sexl (RMS) framework Kinematical framework which assumes the existence of a preferred frame Σ where light propagates rectilinearly and isotropically in free space with constant speed c [Robertson, 1949, Mansouri and Sexl, 1977a, Mansouri and Sexl, 1977b, Mansouri and Sexl, 1977c] Ordinary Lorentz transformations from Σ to the observer frame S with relative velocity w are generalized to allow for violations of SR: T = a 1 (t c 1 ɛ x) X = d 1 x (d 1 b 1 )( w x) w/w 2 + wt, a, b and d are functions of w 2 ; ɛ is a w-dependent vector specifying the clock synchronization procedure in S Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
4 The Robertson Mansouri Sexl (RMS) framework Kinematical framework which assumes the existence of a preferred frame Σ where light propagates rectilinearly and isotropically in free space with constant speed c [Robertson, 1949, Mansouri and Sexl, 1977a, Mansouri and Sexl, 1977b, Mansouri and Sexl, 1977c] Ordinary Lorentz transformations from Σ to the observer frame S with relative velocity w are generalized to allow for violations of SR: T = a 1 (t c 1 ɛ x) X = d 1 x (d 1 b 1 )( w x) w/w 2 + wt, a, b and d are functions of w 2 ; ɛ is a w-dependent vector specifying the clock synchronization procedure in S In the low-velocity limit: a( w) = 1 + c 2 (α 1/2)w 2 + O(c 4 w 4 ) (1) where α quantifies the LI violation (= 0 in SR) Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
5 The Robertson Mansouri Sexl (RMS) framework Kinematical framework which assumes the existence of a preferred frame Σ where light propagates rectilinearly and isotropically in free space with constant speed c [Robertson, 1949, Mansouri and Sexl, 1977a, Mansouri and Sexl, 1977b, Mansouri and Sexl, 1977c] Ordinary Lorentz transformations from Σ to the observer frame S with relative velocity w are generalized to allow for violations of SR: T = a 1 (t c 1 ɛ x) X = d 1 x (d 1 b 1 )( w x) w/w 2 + wt, a, b and d are functions of w 2 ; ɛ is a w-dependent vector specifying the clock synchronization procedure in S In the low-velocity limit: a( w) = 1 + c 2 (α 1/2)w 2 + O(c 4 w 4 ) (1) where α quantifies the LI violation (= 0 in SR) Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
6 The RMS framework: some past experiments Three classical LI tests: Michelson Morley, Kennedy Thorndike, and Ives Stillwell experiments [Robertson, 1949] From [Will, 1992]: Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
7 The RMS framework: some past experiments Three classical LI tests: Michelson Morley, Kennedy Thorndike, and Ives Stillwell experiments [Robertson, 1949] From [Will, 1992]: Comparisons of atomic clocks onboard GPS satellites with ground atomic clocks [Wolf and Petit, 1997]: α 10 6 Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
8 The RMS framework: some past experiments Three classical LI tests: Michelson Morley, Kennedy Thorndike, and Ives Stillwell experiments [Robertson, 1949] From [Will, 1992]: Comparisons of atomic clocks onboard GPS satellites with ground atomic clocks [Wolf and Petit, 1997]: α 10 6 Ives Stillwell type experiments with heavy-ion storage rings [Reinhardt et al., 2007, Botermann et al., 2014]: Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
9 The RMS framework: some past experiments Three classical LI tests: Michelson Morley, Kennedy Thorndike, and Ives Stillwell experiments [Robertson, 1949] From [Will, 1992]: Comparisons of atomic clocks onboard GPS satellites with ground atomic clocks [Wolf and Petit, 1997]: α 10 6 Ives Stillwell type experiments with heavy-ion storage rings [Reinhardt et al., 2007, Botermann et al., 2014]: 7 Li + ions to 6.4% and 3.0% of c: α Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
10 The RMS framework: some past experiments Three classical LI tests: Michelson Morley, Kennedy Thorndike, and Ives Stillwell experiments [Robertson, 1949] From [Will, 1992]: Comparisons of atomic clocks onboard GPS satellites with ground atomic clocks [Wolf and Petit, 1997]: α 10 6 Ives Stillwell type experiments with heavy-ion storage rings [Reinhardt et al., 2007, Botermann et al., 2014]: 7 Li + ions to 6.4% and 3.0% of c: α Li + ions to 33.8% of c: α Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
11 The RMS framework: some past experiments Three classical LI tests: Michelson Morley, Kennedy Thorndike, and Ives Stillwell experiments [Robertson, 1949] From [Will, 1992]: Comparisons of atomic clocks onboard GPS satellites with ground atomic clocks [Wolf and Petit, 1997]: α 10 6 Ives Stillwell type experiments with heavy-ion storage rings [Reinhardt et al., 2007, Botermann et al., 2014]: 7 Li + ions to 6.4% and 3.0% of c: α Li + ions to 33.8% of c: α Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
12 Simplified model of compensated fibre frequency transfer Paco me DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
13 Simplified model of compensated fibre frequency transfer ν 1 = 1 + ν 2 ν 0 + GR + RMS ν 0 2ν 0 GR contains the relativistic redshift due to the static part of the gravity potential as well as temporal variations [Voigt et al., 2016]. The RMS signal is: RMS = αc 2 [ 2 w ( v A v B ) + ( v 2 A v 2 B)] + O(c 3 ) where v A and v B are velocities of clocks A and B in GCRS, and w is velocity of Earth w.r.t. CMB Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
14 Simplified model of compensated fibre frequency transfer ν 1 = 1 + ν 2 ν 0 + GR + RMS ν 0 2ν 0 GR contains the relativistic redshift due to the static part of the gravity potential as well as temporal variations [Voigt et al., 2016]. The RMS signal is: RMS = αc 2 [ 2 w ( v A v B ) + ( v 2 A v 2 B)] + O(c 3 ) where v A and v B are velocities of clocks A and B in GCRS, and w is velocity of Earth w.r.t. CMB Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
15 Static and varying geopotential correction Correcting for the gravitational redshift due to the static potential ITOC project ( , EMRP): new European geoid EGG2015, GNSS/geoid levelling (H. Denker et al., LUH) Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
16 Static and varying geopotential correction Correcting for the gravitational redshift due to the static potential ITOC project ( , EMRP): new European geoid EGG2015, GNSS/geoid levelling (H. Denker et al., LUH) PTB SYRTE: ; NPL SYRTE: Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
17 Static and varying geopotential correction Correcting for the gravitational redshift due to the static potential ITOC project ( , EMRP): new European geoid EGG2015, GNSS/geoid levelling (H. Denker et al., LUH) PTB SYRTE: ; NPL SYRTE: cm (10 17 ) uncertainty on the height difference (relative frequency) between both clocks Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
18 C syrte-ptb (m 2.s!2 ) y syrte-ptb (10!18 ) Static and varying geopotential correction Correcting for the gravitational redshift due to the static potential ITOC project ( , EMRP): new European geoid EGG2015, GNSS/geoid levelling (H. Denker et al., LUH) PTB SYRTE: ; NPL SYRTE: cm (10 17 ) uncertainty on the height difference (relative frequency) between both clocks Correcting for the gravitational redshift due to the varying potential solid earth+pole+lod tides (modified version of ETERNA 3.4 package) ocean tides (SPOTL program) C. Voigt et al., Metrologia 53, Jun 01 Jun 06 Jun 11 Jun 16 Jun 21 Jun 26 Jul 01 Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
19 C syrte-ptb (m 2.s!2 ) y syrte-ptb (10!18 ) Static and varying geopotential correction Correcting for the gravitational redshift due to the static potential ITOC project ( , EMRP): new European geoid EGG2015, GNSS/geoid levelling (H. Denker et al., LUH) PTB SYRTE: ; NPL SYRTE: cm (10 17 ) uncertainty on the height difference (relative frequency) between both clocks Correcting for the gravitational redshift due to the varying potential solid earth+pole+lod tides (modified version of ETERNA 3.4 package) ocean tides (SPOTL program) C. Voigt et al., Metrologia 53, Jun 01 Jun 06 Jun 11 Jun 16 Jun 21 Jun 26 Jul 01 Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
20 RMS model of the relative frequency difference Clock comparison between PTB and SYRTE RMS = 2αc 2 w ( v A v B ) + O(c 2 ) Velocities of the clocks in GCRS are obtained with the SOFA routines RMS varies daily for clocks located at different longitudes (direction) and/or different latitudes (norm) Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
21 RMS model of the relative frequency difference Clock comparison between PTB and SYRTE RMS = 2αc 2 w ( v A v B ) + O(c 2 ) Velocities of the clocks in GCRS are obtained with the SOFA routines RMS varies daily for clocks located at different longitudes (direction) and/or different latitudes (norm) w is the velocity of Earth w.r.t CMB; in June 2015 and 2016 w 340 km s 1 Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
22 RMS model of the relative frequency difference Clock comparison between PTB and SYRTE RMS = 2αc 2 w ( v A v B ) + O(c 2 ) Velocities of the clocks in GCRS are obtained with the SOFA routines RMS varies daily for clocks located at different longitudes (direction) and/or different latitudes (norm) w is the velocity of Earth w.r.t CMB; in June 2015 and 2016 w 340 km s 1 Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
23 The Sr clock NPL-SYRTE comparison Fiber link SYRTE LPL NPL first operated in June 2016 Sr vs. Sr Fractional Allan deviation / τ Sr2 SYRTE - Sr NPL SrB SYRTE - Sr NPL Time (s) 42 h of data over a few days Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
24 The Sr clocks NPL-SYRTE comparison Sr2 SYRTE - Sr NPL SrB SYRTE - Sr NPL Combined α(10 8 ) ± ± ± 6.19 ȳ SrB NPL SYRTE(10 17 ) α(10 8 ) ȳ Sr2 NPL SYRTE(10 17 ) ȳ SrB NPL SYRTE(10 17 ) 15 0 α(10 8 ) 15 Two different fitting methods: linear least-square fitting (LSQ) and affine invariant Markov Chain Monte Carlo ensemble sampler (MCMC) Temporal correlation due to flicker floor of the free running laser (up to 10 s) Correlation between the two data sets: Sr NPL clock is common for some points Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
25 The Sr clocks PTB-SYRTE comparison PTB, LPL and SYRTE established a 1415 km long optical fibre link and performed in 2015 the first direct comparison of optical clocks at continental scale Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
26 The Sr clocks PTB-SYRTE comparison 2 Measurement campaigns Total clocks Ratio SrPTB/SrSYRTE Campaign I Campaign II Unc. (10 17 ) Unc. (10 17 ) Systematics SrSYRTE Systematics SrPTB Statistical uncertainty 2 2 fs combs Link uncertainty < Counter synchronization * 10 < 0.01 Gravity potential correction ** Total clock comparison Statistical uncertainty after 1 hour 150 hours of data Sr PTB /Sr SYRTE 1 = (4.7 ± 5.0) C. Lisdat et al., Nature Comm (2016) Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
27 The Sr clocks PTB-SYRTE comparison δt SYRTE (hours) αt SYRTE (10 16 K 1 ) α (10 8 ) 4.81 ± ± ± 1.06 δt SYRTE (hours) α T SYRTE (10 16 K 1 ) α(10 8 ) ȳ Sr2 PTB SYRTE(10 17 ) δt SYRTE (hours) α SYRTE T (10 16 K 1 ) α(10 8 ) 2 Systematic effect with one day period A detailed analysis has shown it is most probably due to temperature variations in the SYRTE clock room Model of the effect of temperature variations fitted with the RMS model: y T (t) = α T [ T (t δt) T ] Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
28 Test limited by noise sources on the clock systems reduction in uncertainty of more than one order of magnitude within reach Limitations: RMS is a non dynamical framework use SME or dark matter models Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15 Conclusion Sr2/SrB SYRTE - Sr NPL combined Sr2 SYRTE - Sr PTB α(10 8 ) 2.83 ± ± 1.06
29 Literature I Botermann, B., Bing, D., Geppert, C., Gwinner, G., Hänsch, T. W., Huber, G., Karpuk, S., Krieger, A., Kühl, T., Nörtershäuser, W., et al. (2014). Test of Time Dilation Using Stored Li + Ions as Clocks at Relativistic Speed. Phys. Rev. Lett., 113(12): Mansouri, R. and Sexl, R. U. (1977a). A test theory of special relativity. I - Simultaneity and clock synchronization. Gen. Relativ. Gravitation, 8: Mansouri, R. and Sexl, R. U. (1977b). A test theory of special relativity: II. First order tests. Gen. Relativ. Gravitation, 8: Mansouri, R. and Sexl, R. U. (1977c). A test theory of special relativity: III. Second-order tests. Gen. Relativ. Gravitation, 8: Reinhardt, S., Saathoff, G., Buhr, H., Carlson, L. A., Wolf, A., Schwalm, D., Karpuk, S., Novotny, C., Huber, G., Zimmermann, M., et al. (2007). Test of relativistic time dilation with fast optical atomic clocks at different velocities. Nat. Phys., 3(12): Robertson, H. P. (1949). Postulate versus Observation in the Special Theory of Relativity. Rev. Mod. Phys., 21: Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
30 Literature II Voigt, C., Denker, H., and Timmen, L. (2016). Time-variable gravity potential components for optical clock comparisons and the definition of international time scales. Metrologia, 53(6):1365. Will, C. M. (1992). Clock synchronization and isotropy of the one-way speed of light. Phys. Rev. D, 45(2): Wolf, P. and Petit, G. (1997). Satellite test of special relativity using the global positioning system. Phys. Rev. A, 56(6): Pacôme DELVA (SYRTE/Obs.Paris) FIBRE RMS GPhys / 15
Spectroscopy of lithium ions at 34% of the speed of light with sub-doppler linewidth
Towards a test of time dilation: Spectroscopy of lithium ions at 34% of the speed of light with sub-doppler linewidth.07.008 /3 Outline Introduction: test theories for SRT Tools for modern test of time
Applications of interferometers and clocks I. Christian Lisdat
Applications of interferometers and clocks I Christian Lisdat Outline: Keeping time Comparing clocks via the SI, satellites, fibres Interpreting clock comparisons geodesy, temporal variations of fundamental
Optical clocks and fibre links. Je ro me Lodewyck
Optical clocks and fibre links Je ro me Lodewyck J. Lodewyck Optical clocks and fibre links GRAM, Juin 2016 1/34 Content 1 Atomic clocks 2 Optical lattice clocks 3 Clock comparisons 4 Comparison of optical
Galileo gravitational Redshift test with Eccentric satellites (GREAT)
Galileo gravitational Redshift test with Eccentric satellites (GREAT) P. DELVA and N. PUCHADES SYRTE, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Univ. Paris 6, LNE
Test of the Gravitational Redshift Using Galileo Satellites 5 and 6 the GREAT project
Test of the Gravitational Redshift Using Galileo Satellites 5 and 6 the GREAT project P. DELVA, A. HEES, S. BERTONE, E. RICHARD and P. WOLF 5th International Colloquium Scientific and Fundamental Aspects
Galileo gravitational Redshift test with Eccentric satellites (GREAT)
Galileo gravitational Redshift test with Eccentric satellites (GREAT) P. DELVA and N. PUCHADES SYRTE, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Univ. Paris 06, LNE
Ives-Stilwell Time Dilation Li + ESR Darmstadt Experiment and Neo-Lorentz Relativity
Ives-tilwell Time Dilation Li + ER Darmstadt Experiment and Neo-Lorentz Relativity Reginald T. Cahill chool of Chemical and Physical ciences, Flinders University, Adelaide 5001, Australia reg.cahill@flinders.edu.au
New Optical Tests of Relativity on Earth and in Space
New Optical Tests of Relativity on Earth and in Space Achim Peters 38th Recontres de Moriond, March 2003, Les Arcs, France Contents Motivation A modern Michelson-Morley experiment using cryogenic optical
Clock tests of space-time variation of fundamental constants
1 Systèmes de Référence Temps-Espace Clock tests of space-time variation of fundamental constants J. Guéna, S. Bize, M. Abgrall, L. De Sarlo, Ph. Laurent, Y. Le Coq, R. Le Targat, J. Lodewyck, P. Rosenbusch,
Searching for variations of fundamental constants using the atomic clocks ensemble at LNE-SYRTE
Systèmes de référence Temps-Espace Searching for variations of fundamental constants using the atomic clocks ensemble at LNE-SYRTE Luigi De Sarlo, M Favier, R Tyumenev, R Le Targat, J Lodewyck, P Wolf,
Optical clocks as secondary frequency standards and re-definition of the second
Optical clocks as secondary frequency standards and re-definition of the second Gérard Petit BIPM Time Department ISSI Workshop Spacetime metrology, clocks and relativistic geodesy 19-23 March 2018 ISSI
Lorentz invariance violations: Kostelecky, 2002
Lorentz invariance violations: Kostelecky, 2002 2 Kinematic approach to Lorentz invariance violations: Considers only light beams and ideal rods, clocks: If a laboratory is assumed to be moving at a velocity
ATOMIC CLOCK ENSEMBLE IN SPACE Mission status
ATOMIC CLOCK ENSEMBLE IN SPACE Mission status Luigi Cacciapuoti on behalf of the ACES team 30/03/2017 Rencontres de Moriond 2017 - Gravitation, La Thuile ACES Luigi Cacciapuoti 30/03/2017 Slide 2 The Columbus
Testing Einstein s special relativity with clocks moving near the speed of light. G. Gwinner University of Manitoba
Testing Einstein s special relativity with clocks moving near the speed of light Making our way (really slowly) to the Planck scale G. Gwinner University of Manitoba Planck satellite (ESA) microwave survey
Test of Time Dilation Using Stored Li + Ions as Clocks at Relativistic Speed
Test of Time Dilation Using Stored Li + Ions as Clocks at Relativistic Speed it is therefore customary to use the reduced quantity α = ɛ(β)/β 2 when comparing different experiments aimarxiv:1409.7951v1
STE-QUEST. LNE-SYRTE, Observatoire de Paris, CNRS, UPMC
ACES STE-QUEST Data Processing Center M4 at SYRTE Frédéric Meynadier, Pacôme Delva, Christophe Le Poncin-Lafitte, Christine Guerlin, Etienne Savalle, Adrien Roux, Philippe Laurent, Peter Wolf LNE-SYRTE,
arxiv: v1 [gr-qc] 25 Apr 2018
![arxiv: v1 [gr-qc] 25 Apr 2018](/thumbs/90/103043939.jpg "arxiv: v1 [gr-qc] 25 Apr 2018")
Chronometric geodesy: methods and applications arxiv:1804.09506v1 [gr-qc] 25 Apr 2018 P. Delva 1, H. Denker 2 and G. Lion 3 1 SYRTE Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, LNE
An SLR campaign on Galileo satellites 5 and 6 for a test of the gravitational redshift the GREAT experiment
1.14 An SLR campaign on Galileo satellites 5 and 6 for a test of the gravitational redshift the GREAT experiment P. Delva (1), M. Aimar (2), D. Albanese (2), S. Bertone (3), C. Courde (2), F. Deleflie
The Continuing Relevance of Lorentz Ether Theory in the Age of Relativity
The Continuing Relevance of Lorentz Ether Theory in the Age of Relativity Doug Marett M.Sc. Presentation to the NPA-18 Conference, College Park, MD July 6 th, 2011 On line simulators and other information
Atom-based Frequency Metrology: Real World Applications
Atom-based Frequency Metrology: Real World Applications Anne Curtis National Physical Laboratory Teddington, UK Outline Introduction to atom-based frequency metrology Practical Uses - Tests of fundamental
Stationary 87 Sr optical lattice clock at PTB ( Accuracy, Instability, and Applications)
Stationary 87 Sr optical lattice clock at PTB ( Accuracy, Instability, and Applications) Ali Al-Masoudi, Sören Dörscher, Roman Schwarz, Sebastian Häfner, Uwe Sterr, and Christian Lisdat Outline Introduction
THE SPACE OPTICAL CLOCKS PROJECT
THE SPACE OPTICAL CLOCKS PROJECT S. Schiller (1), G. M. Tino (2), P. Lemonde (3), U. Sterr (4), A. Görlitz (1), N. Poli (2), A. Nevsky (1), C. Salomon (5) and the SOC team (1,2,3,4) (1) Heinrich-Heine-Universität
arxiv: v1 [physics.atom-ph] 19 Jun 2014
![arxiv: v1 [physics.atom-ph] 19 Jun 2014](/thumbs/94/120286818.jpg "arxiv: v1 [physics.atom-ph] 19 Jun 2014")
arxiv:1406.5134v1 [physics.atom-ph] 19 Jun 2014 Stability comparison of two absolute gravimeters: optical versus atomic interferometers P. Gillot 1, O. Francis 2, A. Landragin 1, F. Pereira Dos Santos
Test of constancy of speed of light with rotating cryogenic optical resonators
Test of constancy of speed of light with rotating cryogenic optical resonators P. Antonini, M. Okhapkin, E. Göklü,* and S. Schiller Institut für Experimentalphysik, Heinrich-Heine-Universität Düsseldorf,
Overview of the ITOC project Helen Margolis
Overview of the ITOC project Helen Margolis Optical Clocks: Quantum Engineering and International Timekeeping University of York, UK (8 th April 2016) Improvements in optical clocks Microwave Optical (absolute
Proposal for a New Michelson-Morley Experiment Using a Single Whispering Spherical Mode Resonator
Proposal for a New Michelson-Morley Experiment Using a Single Whispering Spherical Mode Resonator Michael Edmund Tobar, John Gideon Hartnett and James David Anstie Abstract A new Michelson-Morley experiment
Status of the ACES/PHARAO mission
XLII nd Rencontres de Moriond,, March 2007 «Gravitational Waves and Experimental Gravity» Status of the ACES/PHARAO mission Noël DIMARCQ, SYRTE, Paris Observatory What is ACES : payload, science objectives,
arxiv: v2 [gr-qc] 24 Jan 2014
![arxiv: v2 [gr-qc] 24 Jan 2014](/thumbs/91/107359176.jpg "arxiv: v2 [gr-qc] 24 Jan 2014")
AN AUTONOMOUS REFERENCE FRAME FOR RELATIVISTIC GNSS Uroš Kostić 1,2, Martin Horvat 1, Sante Carloni 3, Pacôme Delva 4, and Andreja Gomboc 1,2 1 Faculty of Mathematics and Physics, University of Ljubljana,
A clock network for geodesy and fundamental science
A clock network for geodesy and fundamental science C. Lisdat 1, G. Grosche 1 *, N. Quintin 2, C. Shi 3, S.M.F. Raupach 1, C. Grebing 1, D. Nicolodi 3, F. Stefani 2,3, A. Al-Masoudi 1, S. Dörscher 1, S.
The Michelson-Gale Experiment: Doug Marett (2010)
The Michelson-Gale Experiment: Doug Marett (2010) In 1904, Albert Michelson conceived of an experiment to detect the relative motion of the earth and the ether [1]. His primary goal was to design an experiment
Transportable optical clocks: Towards gravimetry based on the gravitational redshift
Transportable optical clocks: Towards gravimetry based on the gravitational redshift A.A. Görlitz, P. Lemonde, C. Salomon, B.S. Schiller, U. Sterr and G. Tino C.Towards a Roadmap for Future Satellite Gravity
Journées Systèmes de Référence Spatio-Temporels 2011 September 19 th 2011 Vienna, Austria
Highly precise clocks to test fundamental physics M. Abgrall, S. Bize, A. Clairon, J. Guéna, M. Gurov, P. Laurent, Y. Le Coq, P. Lemonde, J. Lodewyck, L. Lorini, S. Mejri, J. Millo, J.J. McFerran, P. Rosenbusch,
Relativity SPECIAL, GENERAL, AND COSMOLOGICAL SECOND EDITION. Wolfgang Rindler. Professor of Physics The University of Texas at Dallas
Relativity SPECIAL, GENERAL, AND COSMOLOGICAL SECOND EDITION Wolfgang Rindler Professor of Physics The University of Texas at Dallas OXPORD UNIVERSITY PRESS Contents Introduction l 1 From absolute space
arxiv:hep-th/ v2 29 Nov 2002
Preferred Frame in Brane World Merab GOGBERASHVILI Andronikashvili Institute of Physics 6 Tamarashvili Str., Tbilisi 380077, Georgia (E-mail: gogber@hotmail.com) arxiv:hep-th/0207042v2 29 Nov 2002 Abstract
The ACES Mission. Fundamental Physics Tests with Cold Atom Clocks in Space. L. Cacciapuoti European Space Agency
The ACES Mission Fundamental Physics Tests with Cold Atom Clocks in Space L. Cacciapuoti European Space Agency La Thuile, 20-27 March 2011 Gravitational Waves and Experimental Gravity 1 ACES Mission Concept
STE-QUEST (Space-Time Explorer and Quantum Test of the Equivalence Principle): the mission concept test of gravitational time dilation
13th ICATPP Conference on Astroparticle, Particle, Space Physics and Detectors for Physics Applications Como, 3. -7. 10. 2011 STE-QUEST (Space-Time Explorer and Quantum Test of the Equivalence Principle):
Clock synchronization, a universal light speed, and the terrestrial redshift experiment
Clock synchronization, a universal light speed, and the terrestrial redshift experiment Alan Macdonald Department of Mathematics Luther College, Decorah, IA 52101, U.S.A. macdonal@luther.edu Am. J. Phys.
Cold atom gyroscope with 1 nrad.s -1 rotation stability
Cold atom gyroscope with 1 nrad.s -1 rotation stability D. Savoie, I. Dutta, B. Fang, B. Venon, N. Miélec, R. Sapam, C. Garrido Alzar, R. Geiger and A. Landragin LNE-SYRTE, Observatoire de Paris IACI team
SYRTE - IACI. AtoM Interferometry dual Gravi- GradiOmeter AMIGGO. from capability demonstrations in laboratory to space missions
SYRTE - IACI AtoM Interferometry dual Gravi- GradiOmeter AMIGGO from capability demonstrations in laboratory to space missions A. Trimeche, R. Caldani, M. Langlois, S. Merlet, C. Garrido Alzar and F. Pereira
arxiv:physics/ v1 [physics.class-ph] 21 Jun 2005
![arxiv:physics/ v1 [physics.class-ph] 21 Jun 2005](/thumbs/88/115418675.jpg "arxiv:physics/ v1 [physics.class-ph] 21 Jun 2005")
arxiv:physics/0506168v1 [physics.class-ph] 21 Jun 2005 Recent Experimental Tests of Special Relativity Peter Wolf 1,2, Sébastien Bize 1, Michael E. Tobar 3, Fréderic Chapelet 1, André Clairon 1, André
Optical Lattice Clock with Neutral Mercury
Optical Lattice Clock with Neutral Mercury R. Tyumenev, Z. Xu, J.J. McFerran, Y. Le Coq and S. Bize SYRTE, Observatoire de Paris 61 avenue de l Observatoire, 75014 Paris, France rinat.tyumenev@obspm.fr
Dr. Jean Lautier-Gaud October, 14 th 2016
New generation of operational atomic clock: what perspectives for radio-astronomy & VLBI? Dr. Jean Lautier-Gaud October, 14 th 2016 Courtesy of Noel Dimarcq, SYRTE Content 1. Why is Muquans here? 2. What
Quantum Electromagnetics A Local-Ether Wave Equation Unifying Quantum Mechanics, Electromagnetics, and Gravitation
Quantum Electromagnetics A Local-Ether Wave Equation Unifying Quantum Mechanics, Electromagnetics, and Gravitation Ching-Chuan Su Department of Electrical Engineering National Tsinghua University Hsinchu,
Gravimètre Quantique Absolu : une utilisation opérationnelle des atomes froids pour la mesure de gravité. Dr. Jean Lautier-Gaud Journée CNFGG
Gravimètre Quantique Absolu : une utilisation opérationnelle des atomes froids pour la mesure de gravité Dr. Jean Lautier-Gaud Journée CNFGG Outline Brief overview of Muquans Absolute gravimetry with cold
Optical Cavity Tests of Lorentz Invariance
Light driven Nuclear-Particle physics and Cosmology 2017 (Pacifico Yokohama) April 20, 2017 Optical Cavity Tests of Lorentz Invariance Yuta Michimura Department of Physics, University of Tokyo H. Takeda,
Cold Atom Clocks on Earth and in Space Fundamental Tests and Applications. C. Salomon Laboratoire Kastler Brossel, Ecole Normale Supérieure, Paris
Cold Atom Clocks on Earth and in Space Fundamental Tests and Applications C. Salomon Laboratoire Kastler Brossel, Ecole Normale Supérieure, Paris http://www.lkb.ens.fr/recherche/atfroids/welcome Varenna
arxiv: v1 [physics.gen-ph] 15 Aug 2016
![arxiv: v1 [physics.gen-ph] 15 Aug 2016](/thumbs/72/67695323.jpg "arxiv: v1 [physics.gen-ph] 15 Aug 2016")
Modern Physics Letters A Vol. 31, No. 26 (2016) 1650157 (19 pages) c The Author(s) DOI: 10.1142/S0217732316501571 arxiv:1608.08516v1 [physics.gen-ph] 15 Aug 2016 An approach to directly probe simultaneity
Towards a redefinition of the SI second by optical clocks: Achievements and challenges
Towards a redefinition of the SI second by optical clocks: Achievements and challenges Status of Optical Atomic Clocks Single Ion Clocks (Yb + Octupole Transition Clock) Neutral Atom Clocks (Sr Lattice
ENTER RELATIVITY THE HELIOCENTRISM VS GEOCENTRISM DEBATE ARISES FROM MATTER OF CHOOSING THE BEST REFERENCE POINT. GALILEAN TRANSFORMATION 8/19/2016
ENTER RELATIVITY RVBAUTISTA THE HELIOCENTRISM VS GEOCENTRISM DEBATE ARISES FROM MATTER OF CHOOSING THE BEST REFERENCE POINT. GALILEAN TRANSFORMATION The laws of mechanics must be the same in all inertial
STAR: Space-Time Asymmetry Research
STAR: Space-Time Asymmetry Research Testing Lorentz invariance in Low-earth orbit Shally Saraf for the Stanford STAR team October 14, 2012 1 STAR Concept Science 1) Lorentz Invariance Violations 2) Velocity
RELATIVISTIC ASPECTS IN ASTRONOMICAL STANDARDS AND THE IERS CONVENTIONS
RELATIVISTIC ASPECTS IN ASTRONOMICAL STANDARDS AND THE IERS CONVENTIONS G. PETIT Bureau International des Poids et Mesures 92312 Sèvres France e-mail: gpetit@bipm.org ABSTRACT. In the last years, the definition
Clocks and Gravity. Claus Lämmerzahl and Hansjörg Dittus. Airlie From Quantum to Cosmos, May
Clocks and Gravity Claus Lämmerzahl and Hansjörg Dittus Zentrum für Angewandte Raumfahrttechnologie und Mikrogravitation Center for Applied Space Technology and Microgravity (ZARM) University of Bremen
mstar: Space-Time Asymmetry Research
mstar: Space-Time Asymmetry Research Testing Lorentz Invariance in Low-Earth Orbit Abdulaziz Alhussien for the mstar team November 15 th, 2013 1 Kinematic Approach to LIV Is the CMB a preferred frame?
Atomic clocks. Clocks
Atomic clocks Clocks 1 Ingredients for a clock 1. Need a system with periodic behavior: it cycles occur at constant frequency 2. Count the cycles to produce time interval 3. Agree on the origin of time
Space Time Asymmetry Research (STAR)
Astro 2010 White Paper Space Time Asymmetry Research (STAR) Robert Byer, Sasha Buchman, John Lipa, and Ke-Xun Sun Stanford University John Hall JILA, NIST Abstract Special and General Relativity and the
Gravitational Physics with Optical Clocks in Space
Workshop on an Optical Clock Mission in ESA s Cosmic Vision Program Düsseldorf 8. - 9. 3. 2007 Gravitational Physics with Optical Clocks in Space S. Schiller Heinrich-Heine Heine-Universität Düsseldorf
The Relativity of Simultaneity: An Analysis Based on the Properties of Electromagnetic Waves
African Physical Review (2010) 4:0007 43 The Relativity of Simultaneity: An Analysis Based on the Properties of Electromagnetic Waves R. Wayne Laboratory of Natural Philosophy, Department of Plant Biology,
Testing Lorentz Invariance using Zeeman Transitions in Atomic Fountains
Testing Lorentz Invariance using eeman Transitions in Atomic Fountains Peter Wolf SYRTE, Observatoire de Paris and Bureau International des Poids et Mesures Pavillon de Breteuil, 92312 Sèvres, Cedex, France
National Physical Laboratory, UK
Patrick Gill Geoff Barwood, Hugh Klein, Kazu Hosaka, Guilong Huang, Stephen Lea, Helen Margolis, Krzysztof Szymaniec, Stephen Webster, Adrian Stannard & Barney Walton National Physical Laboratory, UK Advances
Kaivola, Matti & Poulsen, Ove & Riis, Erling & Lee, Siu Au Measurement of the relativistic Doppler shift in neon
Powered by TCPDF (www.tcpdf.org) This is an electronic reprint of the original article. This reprint may differ from the original in pagination and typographic detail. Author(s): Title: Kaivola, Matti
Optical Atomic Clocks for Space
Technical Supporting Document Optical Atomic Clocks for Space Patrick Gill Helen Margolis Anne Curtis Hugh Klein Stephen Lea Stephen Webster Peter Whibberley Version 1.7 November 2008 ESTEC / Contract
8.20 MIT Introduction to Special Relativity IAP 2005 Tentative Outline
8.20 MIT Introduction to Special Relativity IAP 2005 Tentative Outline 1 Main Headings I Introduction and relativity pre Einstein II Einstein s principle of relativity and a new concept of spacetime III
STUDIES OF NPL S CLOCK ENSEMBLE ALGORITHM
43 rd Annual Precise Time and Time Interval (PTTI) Systems and Applications Meeting STUDIES OF NPL S CLOCK ENSEMBLE ALGORITHM Setnam L. Shemar, John A. Davis, and Peter B. Whibberley National Physical
ATOMIC CLOCK ENSEMBLE IN SPACE
ATOMIC CLOCK ENSEMBLE IN SPACE L. Cacciapuoti a, P. Laurent b, C. Salomon c a European Space Agency, Keplerlaan 1, 2200 AG Noordwijk ZH - The Netherlands Luigi.Cacciapuoti@esa.int b SYRTE, CNRS UMR 8630,
arxiv: v2 [gr-qc] 20 Nov 2015
![arxiv: v2 [gr-qc] 20 Nov 2015](/thumbs/83/87305386.jpg "arxiv: v2 [gr-qc] 20 Nov 2015")
nalysis of Sun/Moon Gravitational Redshift tests with the STE-QUEST Space Mission arxiv:1509.0854v [gr-qc] 0 Nov 015 1. ntroduction Peter Wolf 1 and Luc Blanchet 1 LNE-SYRTE, Observatoire de Paris, PSL
Optical clock measurements beyond the geodetic limit
Optical clock measurements beyond the geodetic limit Andrew D. Ludlow Optical Frequency Measurements Group National Institute of Standards and Technology Boulder, CO USA Talk outline Atomic clock figures
Atomic Clock Ensemble in Space (ACES) data analysis
Atomic Clock Ensemble in Space (ACES) data analysis F Meynadier 1, P Delva 1, C le Poncin-Lafitte 1, C Guerlin 2,1, P Wolf 1 arxiv:1709.06491v2 [astro-ph.im] 18 Jan 2018 1 LNE-SYRTE, Observatoire de Paris,
Relativistic theory for time comparisons: a review
INSTITUTE OF PHYSICS PUBLISHING Metrologia 4 005) S138 S144 METROLOGI doi:10.1088/006-1394/4/3/s14 Relativistic theory for time comparisons: a review Gérard Petit 1 and Peter Wolf 1, 1 BIPM, Pavillon de
HYPER. ψ t. h r r. r r. δφ = One scientific objective of HYPER: Test of Universality of Free Fall for quantum matter Schrödinger equation
HYPER One scientific objective of HYPER: Test of Universality of Free Fall for quantum matter Schrödinger equation ih ψ t Coresponding phase shift (exact result) δφ = m m Universality of Free Fall g i
State of the art cold atom gyroscope without dead times
State of the art cold atom gyroscope without dead times Remi Geiger SYRTE, Observatoire de Paris GDR IQFA Telecom Paris November 18 th, 2016 I. Dutta, D. Savoie, B. Fang, B. Venon, C. L. Garrido Alzar,
A Second Time Dimension, Hidden in Plain Sight
A Secon Time Dimension, Hien in Plain Sight Brett A Collins. In this paper I postulate the existence of a secon time imension, making five imensions, three space imensions an two time imensions. I will
Tests of gravitation at Solar System scale beyond PPN formalism
Tests of gravitation at Solar System scale beyond PPN formalism A. Hees - Jet Propulsion Laboratory - California Institute of Technology in collaboration with: W. Folkner, R. Park, R. Jacosbson (JPL-CalTech)
A NEW TEST OF RELATIVITY* Jet Propulsion Laboratory California Institute of Technology Pasadena, California. Clifford M. Will
A NEW TEST OF RELATVTY* Timothy P. Krisher, Lute Maleki, and John D. Anderson Jet Propulsion Laboratory California nstitute of Technology Pasadena, California Clifford M. Will McDonnell Center for the
Topics: Relativity: What s It All About? Galilean Relativity Einstein s s Principle of Relativity Events and Measurements
Chapter 37. Relativity Topics: Relativity: What s It All About? Galilean Relativity Einstein s s Principle of Relativity Events and Measurements The Relativity of Simultaneity Time Dilation Length g Contraction
General Relativity. on the frame of reference!
General Relativity Problems with special relativity What makes inertial frames special? How do you determine whether a frame is inertial? Inertial to what? Problems with gravity: In equation F = GM 1M
Search for physics beyond the standard model with Atomic Clocks
Search for physics beyond the standard model with Atomic Clocks Optical vs. microwave clocks physics.aps.org PTB Yb + JILA Sr NIST Al+ Yb 1 Applications of atomic clocks GPS Very Long Baseline Interferometry
arxiv:astro-ph/ v1 4 Oct 2003
Cold Atom Clocks, Precision Oscillators and Fundamental Tests S. Bize, P. Wolf, M. Abgrall, L. Cacciapuoti, A. Clairon, J. Grünert, Ph. Laurent, P. Lemonde, I. Maksimovic, C. Mandache, H. Marion, F. Pereira
In defence of classical physics
In defence of classical physics Abstract Classical physics seeks to find the laws of nature. I am of the opinion that classical Newtonian physics is real physics. This is in the sense that it relates to
on Tests Using a Cryogenic Optical Resonator
Deduction of Relativistic Length Variations Based on Tests Using a Cryogenic Optical Resonator by Robert J. Buenker Fachbereich C-Mathematik und Naturwissenschaften, Bergische Universität Wuppertal, Gaussstr.
Ion traps for clocks and other metrological applications
Ion traps for clocks and other metrological applications Single ion clocks vs. neutral atom lattice clocks Storage of electrically charged particles in a rf trap Two dimensional trap Paul trap in 3d Penning
Opportunities for space-based experiments using optical clock and comb technology Patrick Gill National Physical Laboratory, UK
Opportunities for space-based experiments using optical clock and comb technology Patrick Gill National Physical Laboratory, UK Quantum to Cosmos, Virginia, 9 th July 2008 Outline Background to ESA studies
Quantum Electromagnetics A Local-Ether Wave Equation Unifying Quantum Mechanics, Electromagnetics, and Gravitation
Quantum Electromagnetics A Local-Ether Wave Equation Unifying Quantum Mechanics, Electromagnetics, and Gravitation Ching-Chuan Su Department of Electrical Engineering National Tsinghua University Hsinchu,
dt = p m, (2.1.1) dt = p
Chapter 2 Special relativity 2.1 Galilean relativity We start our discussion of symmetries by considering an important example of an invariance, i.e. an invariance of the equations of motion under a change
Mission I-SOC: an optical clock on the ISS. S. Schiller (Heinrich-Heine-Universität Düsseldorf) and the I-SOC science team
Mission I-SOC: an optical clock on the ISS S. Schiller (Heinrich-Heine-Universität Düsseldorf) and the I-SOC science team Contents Introduction: quantum sensors ISOC mission: goals and methods ISOC: elegant
Theory of Special Relativity vs. Preferred Reference Frame Theory: A Theoretical Distinction
Apeiron, ol. 12, No. 4, October 2005 385 Theory of Special Relativity vs. Preferred Reference Frame Theory: A Theoretical Distinction S. Baune École de Technologie Supérieure Université du Québec, Montreal
Status of the European Gravimetric Quasigeoid
Status of the European Gravimetric Quasigeoid C. Voigt, H. Denker {voigt,denker}@ife.uni-hannover.de 1 Introduction 2 The European Gravity and Geoid Project (EGGP) 3 Data Sets 4 Quasigeoid Computation
Probing Relativistic Gravity with the Double Pulsar
Probing Relativistic Gravity with the Double Pulsar Marta Burgay INAF Osservatorio Astronomico di Cagliari The spin period of the original millisecond pulsar PSR B1937+21: P = 0.0015578064924327 ± 0.0000000000000004
Delay compensated Optical Time and Frequency Distribution for Space Geodesy
Delay compensated Optical Time and Frequency Distribution for Space Geodesy U. Schreiber 1, J. Kodet 1, U. Hessels 2, C. Bürkel 2 1 Technische Universität München, GO- Wettzell 2 Bundesamt für Kartographie
TESTING FUNDAMENTAL PHYSICS WITH CLOCKS IN SPACE: THE ACES MISSION. 1 ACES Mission Elements
TESTING FUNDAMENTAL PHYSICS WITH CLOCKS IN SPACE: THE ACES MISSION L. Cacciapuotia, P. Laurentb, D. Massonnetc, C. Salomond a European Space Agency, Keplerlaan 1, 2200 AG Noordwijk ZH - The Netherlands
Introduction to General Relativity
Introduction to General Relativity 1 Recall Newtonian gravitation: Clearly not Lorentz invariant, since Laplacian appears rather than d'alembertian. No attempt to find Lorentz invariant equations that
A MODERN MICHELSON-MORLEY EXPERIMENT USING ACTIVELY ROTATED OPTICAL RESONATORS
A MODERN MICHELSON-MORLEY EXPERIMENT USING ACTIVELY ROTATED OPTICAL RESONATORS S. HERRMANN, A. SENGER, K. MÖHLE, E. V. KOVALCHUK, A. PETERS Institut für Physik, Humboldt-Universität zu Berlin Hausvogteiplatz
Experimental Tests with Atomic Clocks
418. WE-Heraeus-Seminar: Models of Gravity in Higher Dimensions, Bremen, 25.-29.8.2008 Experimental Tests with Atomic Clocks Ekkehard Peik Physikalisch-Technische Bundesanstalt Time and Frequency Department
Quantum Metrology Optical Atomic Clocks & Many-Body Physics
Quantum Metrology Optical Atomic Clocks & Many-Body Physics Jun Ye JILA, National Institute of Standards & Technology and University of Colorado APS 4CS Fall 2011 meeting, Tucson, Oct. 22, 2011 Many-body
Introduction to reference time scales. Gérard Petit Bureau International des Poids et Mesures Sèvres Cedex, France
Introduction to reference time scales Gérard Petit Bureau International des Poids et Mesures 92312 Sèvres Cedex, France gpetit@bipm.org 1 Résumé Timescales: definitions and realizations BIPM atomic time
Massachusetts Institute of Technology Physics Department
Massachusetts Institute of Technology Physics Department Physics 8.0 IAP 005 Introduction to Special Relativity Midterm Exam Solutions. (a). The laws of physics should take the same form in all inertial
Lecture 10: General Relativity I
Lecture 10: General Relativity I! Recap: Special Relativity and the need for a more general theory! The strong equivalence principle! Gravitational time dilation! Curved space-time & Einstein s theory
Geodesy Part of the ACES Mission: GALILEO on Board the International Space Station
Geodesy Part of the ACES Mission: GALILEO on Board the International Space Station 1 Svehla D, 2 Rothacher M, 3 Salomon C, 2 Wickert J, 2 Helm A, 2 Beyerle, G, 4 Ziebart M, 5 Dow J 1 Institute of Astronomical
DRONACHARYA COLLEGE OF ENEGINEERING DEPARTMENT OF APPLIED SCEINCE AND HUMANITIES SHORT ANSWER QUESTIONS: Unit-I. Chapter I: Interference
DRONACHARYA COLLEGE OF ENEGINEERING DEPARTMENT OF APPLIED SCEINCE AND HUMANITIES SUBJECT: PHYSICS-I CODE: PHY-101-F SHORT ANSWER QUESTIONS: Unit-I Chapter I: Interference 1. State the condition for sustained
Cosmology with CMB: the perturbed universe
Cosmology with CMB: the perturbed universe Utkal Univ. (Jan 11-12, 2008) Tarun Souradeep I.U.C.A.A, Pune, India How do we know so much now about this model Universe? Cosmic Microwave Background Pristine
NONINVARIANT ONE-WAY SPEED OF LIGHT AND LOCALLY EQUIVALENT REFERENCE FRAMES
Found. Phys. Lett. 0, 73-83 (997) NONINVARIANT ONE-WAY SPEED OF LIGHT AND LOCALLY EQUIVALENT REFERENCE FRAMES F. Selleri Università di Bari - Dipartimento di Fisica INFN - Sezione di Bari I 7026 Bari,