Resonant Inelastic X-ray Scattering on elementary excitations
|
|
- Ophelia Walker
- 5 years ago
- Views:
Transcription
1 Resonant Inelastic X-ray Scattering on elementary excitations Jeroen van den Brink Ament, van Veenendaal, Devereaux, Hill & JvdB Rev. Mod. Phys. 83, 705 (2011) Autumn School in Correlated Electrons Jülich
2 Outline 1. Introducing RIXS 2. Magnetic RIXS on low dimensional magnets
3 1. Introducing RIXS Basic Scattering Process Direct & Indirect RIXS 5 features of RIXS Elementary Excitations Accessible to RIXS Progress in past decade
4 2. Magnetic RIXS on low dimensional magnets Quasi 2D cuprates Quasi Some 1D theory cuprates Quasi Some 2D experiments iron pnictide A (big) Quasi open 2D iridate problem Doped Cu & Fe systems
5 2. Magnetic RIXS on low dimensional magnets Quasi 2D cuprates Some theory Some experiments A (big) open problem
6 Basic Scattering Process Direct and Indirect RIXS
7 What is Resonant Inelastic X-ray scattering RIXS X-ray scattering: photon in! solid! photon out inelastic: ω out < ω in Cu K-edge resonant: tune ω in to an atomic absorption edge 4 p ~9 KeV 1 s
8 What is Resonant Inelastic X-ray scattering RIXS X-ray scattering: photon in! solid! photon out inelastic: ω out < ω in Cu K-edge resonant: tune ω in to an atomic absorption edge 4 p ~9 KeV 1 s
9 What is Resonant Inelastic X-ray scattering RIXS X-ray scattering: photon in! solid! photon out inelastic: ω out < ω in Cu K-edge resonant: tune ω in to an atomic absorption edge 4 p ~9 KeV INDIRECT Momentum transfer: q Energy loss 1 s
10 What is Resonant Inelastic X-ray scattering RIXS Cu L-edge X-ray scattering: photon in! solid! photon out inelastic: ω out < ω in resonant: tune ω in to an atomic absorption edge 3 d ~900 ev 2 p DIRECT Momentum transfer: q Energy loss resolution < 100 mev
11 Direct and Indirect RIXS DIRECT scattering via absorptionemission matrix elements scattering via intermediate state core-hole shake-up INDIRECT
12 RIXS = GS XAS INTERMEDIATE XES FS Local atomic transition Complicated state with strong core-hole potential Local atomic transition Contains chemical detail and atom specific physics But: RIXS = GS... FS Carries low energy, long wavelength, elementary excitations Universal effective low energy (magnetic) behavior
13 RIXS amplitude F and intensity I Intensity Amplitude ω loss momentum in out q loss =k -k
14 RIXS amplitude F and intensity I polarization in out Intensity Amplitude ω loss momentum in out energy conservation final energy ω out initial energy ω in
15 2nd Order: Resonant Scattering RIXS amplitude Kramers-Heisenberg expression RIXS transition operator H.A. Kramers and W. Heisenberg, Z. Phys. 31, 681 (1925)
16 Greens function expression for RIXS amplitude RIXS amplitude Greens function with =intermediate state propagator so that:
17 5 distinguishing features of RIXS
18 Why X-rays: Inelastic Scattering momentum ~ Å -1 with X-rays at a resonance probe charged excitations have angular momentum l=1 polarization dependence Solid: Lattice spacings ~ Å Brillouin zone ~ Å -1 Visible Photons: momentum ~ 10-3 Å -1 X-rays at 10 kev momentum ~ 5 Å -1 several BZ s
19 ' =50 ' z~ y~ x~ =69 z(a) y(c) x(b)
20
21 Why At resonance: enhanced loss features Inelastic Scattering with X-rays at a resonance choose element & electronic shell X-ray Absorption Edges K-edges L-edges TM X-ray penetration depth: ~microns RIXS is bulk sensitive Atomic #
22 Tunable X-ray sources synchrotron ESRF Grenoble
23 Tunable X-ray sources synchrotron X-ray laser ESRF Grenoble LCLS, Stanford
24 X-ray spectrometers ESRF ID32 Soft RIXS: TM L-edges
25
26
27 Elementary Excitations accessible to RIXS
28 Elementary Excitations in TMO: Schematic dipolar Couple to Charge quadru polar dipolar Couple to Angular Momentum
29 Direct TM L-edges Cu L-edge 3 d ~900 ev Momentum transfer Energy loss 2 p
30 Direct TM L-edges Cu L-edge 3 d ~900 ev Momentum transfer Energy loss 2 p
31 Direct TM L-edges Cu L-edge 3 d ~900 ev Momentum transfer Energy loss 2 p
32 Direct TM L-edges Cu L-edge 3 d ~900 ev Momentum transfer Energy loss 2 p
33 Direct TM L-edges Cu L-edge 3 d ~900 ev Momentum transfer Energy loss 2 p s=1/2 l=1
34 Direct TM L-edges Cu L-edge 3 d ~900 ev Momentum transfer Energy loss 2 p s=1/2 l=1 l s
35 Direct TM L-edges Cu L-edge 3 d ~900 ev Momentum transfer Energy loss 2 p s=1/2 l=1 l s
36 Direct TM L-edges dd excitation Cu L-edge spin flip 3 d ~900 ev Momentum transfer Energy loss 2 p
37 Direct TM L-edges dd excitation Cu L-edge spin flip 3 d ~900 ev Momentum transfer Energy loss 2 p Ir L-edge ~11.2 kev
38
39 Progress in the Past Decades
40 Cu L-edge resolution dd zero-loss magnon
41 Cu L-edge resolution dd zero-loss magnon phonon COURTESY Lucio Braicovich ESRF Beamline ID
42 Summary part I Direct and Indirect RIXS RIXS measures excitation energy & momentum Polarization in/out dependence can be studied Element and orbital sensitive Bulk sensitive & needs small sample volumes Measures charge neutral elementary excitations spin, orbital, lattice, charge excitons Great progress in resolution in the past decade
43 2. Magnetic RIXS on low dimensional magnets Quasi 2D cuprates Quasi 1D cuprates Quasi 2D iron pnictide Quasi 2D iridate Doped Cu & Fe systems
44 Quasi 2D cuprates
45 La 2 CuO 4 crystal structure CuO 2 layer (LaO) 2 layer CuO 2 layer (LaO) 2 layer CuO 2 layer
46 La 2 CuO 4 magnetic structure strongly correlated antiferromagnet spin 1/2 insulator gap ~2 ev U ~ 6 ev
47 Atomic Model: Local d-d orbital splitting: Cu 2+ Cubic Crystal field splitting Cu 2+ 3d9 e g orbitals t 2g orbitals e g 5x t 2g
48 Ultra-short Core-hole Life-time expansion RIXS amplitude short life-time τ of the high energy core-hole large core-hole broadening Γ=ħ/τ large constant RIXS response governed by (dipole) transition operators
49 RIXS transition metal L-edge Ament, Ghiringhelli, Moretti, Braicovich & JvdB, PRL 103, (2009) Marra, Wohlfeld & JvdB, PRL 109, (2012)
50 RIXS transition metal L-edge Ament, Ghiringhelli, Moretti, Braicovich & JvdB, PRL 103, (2009) Marra, Wohlfeld & JvdB, PRL 109, (2012)
51 RIXS transition metal L-edge Ament, Ghiringhelli, Moretti, Braicovich & JvdB, PRL 103, (2009) Marra, Wohlfeld & JvdB, PRL 109, (2012)
52 RIXS transition metal L-edge Ament, Ghiringhelli, Moretti, Braicovich & JvdB, PRL 103, (2009) Marra, Wohlfeld & JvdB, PRL 109, (2012)
53 RIXS transition metal L-edge Ament, Ghiringhelli, Moretti, Braicovich & JvdB, PRL 103, (2009) Marra, Wohlfeld & JvdB, PRL 109, (2012)
54 Orbital excitations by direct RIXS on La 2 CuO 4 d-d excitations Moretti, Bisogni, Aruta, Balestrino, Berger, Brookes, Luca, Castro, Grioni, Guarise, Medaglia, Miletto, Minola, Perna, Radovic, Salluzzo, Schmitt, Zhou, Braicovich & Ghiringhelli, NJP 13, (2011)
55 RIXS spin-flip transition metal L-edge Ament, Ghiringhelli, Moretti, Braicovich & JvdB, PRL 103, (2009) Marra, Wohlfeld & JvdB, PRL 109, (2012)
56 RIXS spin-flip transition metal L-edge Ament, Ghiringhelli, Moretti, Braicovich & JvdB, PRL 103, (2009) Marra, Wohlfeld & JvdB, PRL 109, (2012)
57 RIXS spin-flip transition metal L-edge Ament, Ghiringhelli, Moretti, Braicovich & JvdB, PRL 103, (2009) Marra, Wohlfeld & JvdB, PRL 109, (2012)
58 RIXS spin-flip transition metal L-edge Ament, Ghiringhelli, Moretti, Braicovich & JvdB, PRL 103, (2009) Marra, Wohlfeld & JvdB, PRL 109, (2012)
59 RIXS spin-flip transition metal L-edge Ament, Ghiringhelli, Moretti, Braicovich & JvdB, PRL 103, (2009) x 2 -y 2 spin NOT // z: pure spin flip Marra, Wohlfeld & JvdB, PRL 109, (2012)
60 High Magnetic resolution RIXS on Cu La L-edge 2 CuO 4 Cu spectrum L-edge In special cases direct spin-flip scattering is allowed at Cu L-edge CuO s are such special cases... magnon phonon zero-loss bimagnon
61 Magnetic direct RIXS on La 2 CuO Cu L-edge Ament, Ghiringhelli, Moretti, Braicovich & JvdB, PRL 103, (2009) magnon dispersion Braicovich, JvdB et al., PRL 104, (2010)
62 RIXS magnon dispersion of Sr 2 CuO 2 Cl 2 deviation from simple Heisenberg > transferred momentum q Guarise et al., PRL 105, (2010)
63 Magnetic L-edge RIXS on 8% doped La 2-x Sr x CuO 4 Tc = 21K d-d excitation paramagnon Braicovich, JvdB et al. PRL 104, (2010)
64
65 magnon paramagnon
66 Dynamical structure factor Hubbard model, QMC magnon paramagnon U=8t Jia, Nowadnick, Wohlfeld, Kung, Chen, Johnston, Tohyama, Moritz & Devereaux Nat. Comm. 5, 3314 (2014)
67 Summary part 2 RIXS sensitive to magnetic excitations of e.g. low D cuprates, iron pnictides and iridates Magnons, spinons and paramagnons are observed Dispersion of these modes can be determined Observed paramagnons are challenge for theory It can reasonably be assumed that the future of RIXS is even brighter than its past More and better experiments, instruments, theory
68 RIXS amplitude/intensity Interaction light & matter
69 RIXS amplitude F and intensity I Intensity Amplitude ω loss momentum in out q loss =k -k
70 RIXS amplitude F and intensity I polarization in out Intensity Amplitude ω loss momentum in out energy conservation final energy ω out initial energy ω in
71 Interaction of light and matter: Hamiltonian kinetic Zeeman Darwin electron-nucleus electron-electron free photons vector potential spin-orbit coupling plane wave
72 Lowest order perturbing Hamiltonian: small A small Fermi Golden Rule, to second order: transition rate
73 2nd Order... Fermi Golden Rule, to second order: transition rate
74 2nd Order... Fermi Golden Rule, to second order: transition rate
75 2nd Order: Resonant Scattering I RIXS amplitude small RIXS amplitude RIXS transition operator Kramers-Heisenberg expression H.A. Kramers and W. Heisenberg, Z. Phys. 31, 681 (1925)
76 2nd Order: Resonant Scattering II RIXS amplitude RIXS intensity: This expression is essentially exact (non-relativistic limit)
Ultrashort Lifetime Expansion for Resonant Inelastic X-ray Scattering. Luuk Ament
Ultrashort Lifetime Expansion for Resonant Inelastic X-ray Scattering Luuk Ament In collaboration with Jeroen van den Brink and Fiona Forte What is RIXS? Resonant Inelastic X-ray Scattering Synchrotron
More informationNeutron scattering from quantum materials
Neutron scattering from quantum materials Bernhard Keimer Max Planck Institute for Solid State Research Max Planck UBC UTokyo Center for Quantum Materials Detection of bosonic elementary excitations in
More informationTime-Resolved and Momentum-Resolved Resonant Soft X-ray Scattering on Strongly Correlated Systems
Time-Resolved and Momentum-Resolved Resonant Soft X-ray Scattering on Strongly Correlated Systems Wei-Sheng Lee Stanford Institute of Material and Energy Science (SIMES) SLAC & Stanford University Collaborators
More informationNew insights into high-temperature superconductivity
New insights into high-temperature superconductivity B. Keimer Max-Planck-Institute for Solid State Research introduction to conventional and unconventional superconductivity empirical approach to quantitative
More informationX-ray vision of High Temperature Superconductivity Giacomo Ghiringhelli
Firma convenzione Politecnico di Milano e Veneranda Fabbrica del Duomo di Milano X-ray vision of High Temperature Superconductivity Giacomo Ghiringhelli Dipartimento di Fisica Politecnico di Milano Italy
More informationSpettroscopia risonante di stati elettronici: un approccio impossibile senza i sincrotroni
Spettroscopia risonante di stati elettronici: un approccio impossibile senza i sincrotroni XAS, XMCD, XES, RIXS, ResXPS: introduzione alle spettroscopie risonanti * Dipartimento di Fisica - Politecnico
More informationAngle-Resolved Two-Photon Photoemission of Mott Insulator
Angle-Resolved Two-Photon Photoemission of Mott Insulator Takami Tohyama Institute for Materials Research (IMR) Tohoku University, Sendai Collaborators IMR: H. Onodera, K. Tsutsui, S. Maekawa H. Onodera
More informationNeutron and x-ray spectroscopy
Neutron and x-ray spectroscopy B. Keimer Max-Planck-Institute for Solid State Research outline 1. self-contained introduction neutron scattering and spectroscopy x-ray scattering and spectroscopy 2. application
More informationSpin-orbital separation in the quasi-one-dimensional Mott insulator Sr 2 CuO 3 Splitting the electron
Spin-orbital separation in the quasi-one-dimensional Mott insulator Sr 2 CuO 3 Splitting the electron James Gloudemans, Suraj Hegde, Ian Gilbert, and Gregory Hart December 7, 2012 The paper We describe
More informationSimo Huotari University of Helsinki, Finland TDDFT school, Benasque, Spain, January 2012
Overview of spectroscopies III Simo Huotari University of Helsinki, Finland TDDFT school, Benasque, Spain, January 2012 Motivation: why we need theory Spectroscopy (electron dynamics) Theory of electronic
More informationGiacomo Ghiringhelli. Dipartimento di Fisica - Politecnico di Milano CNR - SPIN 26 September, 2017
Giacomo Ghiringhelli Dipartimento di Fisica - Politecnico di Milano CNR - SPIN giacomo.ghiringhelli@polimi.it 26 September, 2017 Introducing myself... Keywords: Soft x-rays Resonant spectroscopy RIXS 3d
More informationQuantum dynamics in many body systems
Quantum dynamics in many body systems Eugene Demler Harvard University Collaborators: David Benjamin (Harvard), Israel Klich (U. Virginia), D. Abanin (Perimeter), K. Agarwal (Harvard), E. Dalla Torre (Harvard)
More informationProbing e-ph Coupling via RIXS
Probing e-ph Coupling via RIXS Wei-Sheng Lee SIMES, SLAC Na3onal Accelerator Laboratory 2017 NSRRC User Mee3ng/Workshop Outline Introduc3on Why study the RIXS phonon cross-sec3on? 1D edge-shared cuprate
More informationInelastic soft x-ray scattering, fluorescence and elastic radiation
Inelastic soft x-ray scattering, fluorescence and elastic radiation What happens to the emission (or fluorescence) when the energy of the exciting photons changes? The emission spectra (can) change. One
More informationAdvanced Spectroscopies of Modern Quantum Materials
Advanced Spectroscopies of Modern Quantum Materials The part about Advanced spectroscopies Some course goals: Better understand the link between experiment and the microscopic world of quantum materials.
More informationSECOND PUBLIC EXAMINATION. Honour School of Physics Part C: 4 Year Course. Honour School of Physics and Philosophy Part C C3: CONDENSED MATTER PHYSICS
A11046W1 SECOND PUBLIC EXAMINATION Honour School of Physics Part C: 4 Year Course Honour School of Physics and Philosophy Part C C3: CONDENSED MATTER PHYSICS TRINITY TERM 2015 Wednesday, 17 June, 2.30
More informationDevelopment of Polarization Analysis of Resonant Inelastic X-Ray Scattering
Western Michigan University ScholarWorks at WMU Dissertations Graduate College 12-2013 Development of Polarization Analysis of Resonant Inelastic X-Ray Scattering Xuan Gao Western Michigan University,
More informationStudying Metal to Insulator Transitions in Solids using Synchrotron Radiation-based Spectroscopies.
PY482 Lecture. February 28 th, 2013 Studying Metal to Insulator Transitions in Solids using Synchrotron Radiation-based Spectroscopies. Kevin E. Smith Department of Physics Department of Chemistry Division
More informationProbing Matter: Diffraction, Spectroscopy and Photoemission
Probing Matter: Diffraction, Spectroscopy and Photoemission Anders Nilsson Stanford Synchrotron Radiation Laboratory Why X-rays? VUV? What can we hope to learn? 1 Photon Interaction Incident photon interacts
More informationXRD endstation: condensed matter systems
XRD endstation: condensed matter systems Justine Schlappa SCS Instrument Beamline Scientist Hamburg, January 24, 2017 2 Outline Motivation Baseline XRD setup R&D setup Two-color operation and split&delay
More informationHigh-T c superconductors. Parent insulators Carrier doping Band structure and Fermi surface Pseudogap and superconducting gap Transport properties
High-T c superconductors Parent insulators Carrier doping Band structure and Fermi surface Pseudogap and superconducting gap Transport properties High-T c superconductors Parent insulators Phase diagram
More informationDynamical properties of strongly correlated electron systems studied by the density-matrix renormalization group (DMRG) Takami Tohyama
Dynamical properties of strongly correlated electron systems studied by the density-matrix renormalization group (DMRG) Takami Tohyama Tokyo University of Science Shigetoshi Sota AICS, RIKEN Outline Density-matrix
More informationResonant Inelastic X-ray Scattering Studies of Elementary Excitations
Resonant Inelastic X-ray Scattering Studies of Elementary Excitations Luuk Ament ii Resonant Inelastic X-ray Scattering Studies of Elementary Excitations P R O E F S C H R I F T ter verkrijging van de
More informationARPES experiments on 3D topological insulators. Inna Vishik Physics 250 (Special topics: spectroscopies of quantum materials) UC Davis, Fall 2016
ARPES experiments on 3D topological insulators Inna Vishik Physics 250 (Special topics: spectroscopies of quantum materials) UC Davis, Fall 2016 Outline Using ARPES to demonstrate that certain materials
More informationGiniyat Khaliullin Max Planck Institute for Solid State Research, Stuttgart
Mott insulators with strong spin-orbit coupling Giniyat Khaliullin Max Planck Institute for Solid State Research, Stuttgart LS driven unusual ground states & excitations motivated by: Sr 2 IrO 4 Na 2 IrO
More informationX-ray Spectroscopy Theory Lectures
TIMES Lecture Series SIMES-SLAC-Stanford Winter, 2017 X-ray Spectroscopy Theory Lectures J. J. Rehr I. Introduction to the Theory of X-ray spectra II. Real-space Green's function Theory and FEFF III. Inelastic
More informationMAGNETIC, ORBITAL AND CHARGE FLUCTUATIONS IN LAYERED CUPRATES STUDIED BY RESONANT SOFT X-RAY SCATTERING
POLITECNICO DI MILANO Dipartimento di Fisica Dottorato di Ricerca in Fisica XXV ciclo MAGNETIC, ORBITAL AND CHARGE FLUCTUATIONS IN LAYERED CUPRATES STUDIED BY RESONANT SOFT X-RAY SCATTERING Relatore e
More informationA Twisted Ladder: Relating the Iron Superconductors and the High-Tc Cuprates
A Twisted Ladder: Relating the Iron Superconductors and the High-Tc Cuprates arxiv:0905.1096, To appear in New. J. Phys. Erez Berg 1, Steven A. Kivelson 1, Doug J. Scalapino 2 1 Stanford University, 2
More informationX-Ray Spectroscopy at LCLS
LCLS proposal preparation workshop for experiments at XPP, June 21, 2008, SLAC, Menlo Park, CA ħω ħω e - X-Ray Spectroscopy at LCLS Uwe Bergmann SSRL Stanford Linear Accelerator Center bergmann@slac.stanford.edu
More informationSpinon magnetic resonance. Oleg Starykh, University of Utah
Spinon magnetic resonance Oleg Starykh, University of Utah May 17-19, 2018 Examples of current literature 200 cm -1 = 6 THz Spinons? 4 mev = 1 THz The big question(s) What is quantum spin liquid? No broken
More informationHole dynamics in frustrated antiferromagnets: Coexistence of many-body and free-like excitations
Hole dynamics in frustrated antiferromagnets: Coexistence of many-body and free-like excitations Collaborators: Luis O. Manuel Instituto de Física Rosario Rosario, Argentina Adolfo E. Trumper (Rosario)
More informationarxiv: v1 [cond-mat.str-el] 17 Aug 2016
Quenched Magnon excitations by oxygen sublattice reconstruction in (SrCuO 2 ) n /(SrTiO 3 ) 2 superlattices M. Dantz, 1, J. Pelliciari, 1 D. Samal, 2, V. Bisogni, 1, Y. Huang, 1 P. Olalde-Velasco, 1, V.
More informationReview of Optical Properties of Materials
Review of Optical Properties of Materials Review of optics Absorption in semiconductors: qualitative discussion Derivation of Optical Absorption Coefficient in Direct Semiconductors Photons When dealing
More informationMultiplet effects in Resonant X-ray Emission
Multiplet effects in Resonant X-ray Emission Frank M.F. de Groot Department of Inorganic Chemistry and Catalysis, Utrecht University, Sorbonnelaan 16, 3584 CA Utrecht, the Netherlands. Abstract. After
More informationSOLID STATE PHYSICS. Second Edition. John Wiley & Sons. J. R. Hook H. E. Hall. Department of Physics, University of Manchester
SOLID STATE PHYSICS Second Edition J. R. Hook H. E. Hall Department of Physics, University of Manchester John Wiley & Sons CHICHESTER NEW YORK BRISBANE TORONTO SINGAPORE Contents Flow diagram Inside front
More informationHigh-T c superconductors
High-T c superconductors Parent insulators Carrier doping Band structure and Fermi surface Pseudogap, superconducting gap, superfluid Nodal states Bilayer, trilayer Stripes High-T c superconductors Parent
More informationElectronic structure of correlated electron systems. G.A.Sawatzky UBC Lecture
Electronic structure of correlated electron systems G.A.Sawatzky UBC Lecture 6 011 Influence of polarizability on the crystal structure Ionic compounds are often cubic to maximize the Madelung energy i.e.
More informationMaking the Invisible Visible: Probing Antiferromagnetic Order in Novel Materials
Making the Invisible Visible: Probing Antiferromagnetic Order in Novel Materials Elke Arenholz Lawrence Berkeley National Laboratory Antiferromagnetic contrast in X-ray absorption Ni in NiO Neel Temperature
More informationYBCO. CuO 2. the CuO 2. planes is controlled. from deviation from. neutron. , blue star for. Hg12011 (this work) for T c = 72
Supplementary Figure 1 Crystal structures and joint phase diagram of Hg1201 and YBCO. (a) Hg1201 features tetragonal symmetry and one CuO 2 plane per primitive cell. In the superconducting (SC) doping
More informationUnusual magnetic excitations in a cuprate high-t c superconductor
Unusual magnetic excitations in a cuprate high-t c superconductor Yuan Li Max Planck Institute for Solid State Research Stuttgart, Germany Collaborators University of Minnesota / Stanford University, USA
More informationSpins and spin-orbit coupling in semiconductors, metals, and nanostructures
B. Halperin Spin lecture 1 Spins and spin-orbit coupling in semiconductors, metals, and nanostructures Behavior of non-equilibrium spin populations. Spin relaxation and spin transport. How does one produce
More informationAngle-resolved photoemission spectroscopy (ARPES) Overview-Physics 250, UC Davis Inna Vishik
Angle-resolved photoemission spectroscopy (ARPES) Overview-Physics 250, UC Davis Inna Vishik Outline Review: momentum space and why we want to go there Looking at data: simple metal Formalism: 3 step model
More informationSpin correlations in conducting and superconducting materials Collin Broholm Johns Hopkins University
Spin correlations in conducting and superconducting materials Collin Broholm Johns Hopkins University Supported by U.S. DoE Basic Energy Sciences, Materials Sciences & Engineering DE-FG02-08ER46544 Overview
More informationInelastic light scattering and the correlated metal-insulator transition
Inelastic light scattering and the correlated metal-insulator transition Jim Freericks (Georgetown University) Tom Devereaux (University of Waterloo) Ralf Bulla (University of Augsburg) Funding: National
More informationPhoton Interaction. Spectroscopy
Photon Interaction Incident photon interacts with electrons Core and Valence Cross Sections Photon is Adsorbed Elastic Scattered Inelastic Scattered Electron is Emitted Excitated Dexcitated Stöhr, NEXAPS
More informationThree dimensional collective charge excitations in. electron-doped cuprate superconductors
Three dimensional collective charge excitations in electron-doped cuprate superconductors M. Hepting 1, L. Chaix 1, E. W. Huang 1,2, R. Fumagalli 3, Y. Y. Peng 3,, B. Moritz 1, K. Kummer 4, N. B. Brookes
More informationAnisotropic Magnetic Structures in Iron-Based Superconductors
Anisotropic Magnetic Structures in Iron-Based Superconductors Chi-Cheng Lee, Weiguo Yin & Wei Ku CM-Theory, CMPMSD, Brookhaven National Lab Department of Physics, SUNY Stony Brook Another example of SC
More informationarxiv: v1 [cond-mat.str-el] 22 Sep 2010
arxiv:1009.4356v1 [cond-mat.str-el] 22 Sep 2010 Observation of phonons with resonant inelastic x-ray scattering H Yavaş 1,2, M van Veenendaal 1,3, J van den Brink 4, L J P Ament 4, A Alatas 1, B M Leu
More informationExploring new aspects of
Exploring new aspects of orthogonality catastrophe Eugene Demler Harvard University Harvard-MIT $$ NSF, AFOSR MURI, DARPA OLE, MURI ATOMTRONICS, MURI POLAR MOLECULES Outline Introduction: Orthogonality
More informationSelf-doping processes between planes and chains in the metalto-superconductor
Self-doping processes between planes and chains in the metalto-superconductor transition of YBa 2 Cu 3 O 6.9 M. Magnuson 1, T. Schmitt 2 V.N. Strocov 2, J. Schlappa 2,3, A. S. Kalabukhov 4 and L.-C. Duda
More informationQuantum Field Theory and Condensed Matter Physics: making the vacuum concrete. Fabian Essler (Oxford)
Quantum Field Theory and Condensed Matter Physics: making the vacuum concrete Fabian Essler (Oxford) Oxford, June 2013 Lev Landau This work contains many things which are new and interesting. Unfortunately,
More informationElectron Correlation
Series in Modern Condensed Matter Physics Vol. 5 Lecture Notes an Electron Correlation and Magnetism Patrik Fazekas Research Institute for Solid State Physics & Optics, Budapest lb World Scientific h Singapore
More informationHigh Tc cuprates: Recent insights from X-ray scattering
High Tc cuprates: Recent insights from X-ray scattering Mathieu Le Tacon Max Planck Institute for Solid State Research Stuttgart Collaborators B. Keimer, S. Blanco-Canosa, A. Fraño, M. Minola, H. Gretarsson,
More informationDrickamer type. Disk containing the specimen. Pressure cell. Press
ε-fe Drickamer type Press Pressure cell Disk containing the specimen Low Temperature Cryostat Diamond Anvil Cell (DAC) Ruby manometry Re gasket for collimation Small size of specimen space High-density
More informationOctober Entrance Examination: Condensed Matter Multiple choice quizzes
October 2013 - Entrance Examination: Condensed Matter Multiple choice quizzes 1 A cubic meter of H 2 and a cubic meter of O 2 are at the same pressure (p) and at the same temperature (T 1 ) in their gas
More informationX-ray absorption spectroscopy.
X-ray absorption spectroscopy www.anorg.chem.uu.nl/people/staff/frankdegroot/ X-ray absorption spectroscopy www.anorg.chem.uu.nl/people/staff/frankdegroot/ Frank de Groot PhD: solid state chemistry U Nijmegen
More informationLast Lecture. Overview and Introduction. 1. Basic optics and spectroscopy. 2. Lasers. 3. Ultrafast lasers and nonlinear optics
Last Lecture Overview and Introduction 1. Basic optics and spectroscopy. Lasers 3. Ultrafast lasers and nonlinear optics 4. Time-resolved spectroscopy techniques Jigang Wang, Feb, 009 Today 1. Spectroscopy
More informationAngle Resolved Photoemission Spectroscopy. Dan Dessau University of Colorado, Boulder
Angle Resolved Photoemission Spectroscopy Dan Dessau University of Colorado, Boulder Dessau@Colorado.edu Photoemission Spectroscopy sample hn Energy High K.E. Low B.E. e - analyzer E F e- hν Density of
More informationLow energy excitations in cuprates: an ARPES perspective. Inna Vishik Beyond (Landau) Quasiparticles: New Paradigms for Quantum Fluids Jan.
Low energy excitations in cuprates: an ARPES perspectie Inna Vishik Beyond (Landau) Quasiparticles: New Paradigms for Quantum Fluids Jan. 15, 2014 Acknowledgements Shen Group Professor Zhi-Xun Shen Dr.
More informationName: (a) What core levels are responsible for the three photoelectron peaks in Fig. 1?
Physics 243A--Surface Physics of Materials: Spectroscopy Final Examination December 16, 2014 (3 problems, 100 points total, open book, open notes and handouts) Name: [1] (50 points), including Figures
More informationCore Level Spectroscopies
Core Level Spectroscopies Spectroscopies involving core levels are element-sensitive, and that makes them very useful for understanding chemical bonding, as well as for the study of complex materials.
More informationUltrafast surface carrier dynamics in topological insulators: Bi 2 Te 3. Marino Marsi
Ultrafast surface carrier dynamics in topological insulators: Bi 2 Te 3 Marino Marsi Laboratoire de Physique des Solides CNRS UMR 8502 - Université Paris-Sud IMPACT, Orsay, September 2012 Outline Topological
More informationThe Oxford Solid State Basics
The Oxford Solid State Basics Steven H. Simon University of Oxford OXFORD UNIVERSITY PRESS Contents 1 About Condensed Matter Physics 1 1.1 What Is Condensed Matter Physics 1 1.2 Why Do We Study Condensed
More informationProbing the Electronic Structure of Complex Systems by State-of-the-Art ARPES Andrea Damascelli
Probing the Electronic Structure of Complex Systems by State-of-the-Art ARPES Andrea Damascelli Department of Physics & Astronomy University of British Columbia Vancouver, B.C. Outline: Part I State-of-the-Art
More informationAPEX CARE INSTITUTE FOR PG - TRB, SLET AND NET IN PHYSICS
Page 1 1. Within the nucleus, the charge distribution A) Is constant, but falls to zero sharply at the nuclear radius B) Increases linearly from the centre, but falls off exponentially at the surface C)
More informationCenter for Spintronic Materials, Interfaces, and Novel Architectures. Voltage Controlled Antiferromagnetics and Future Spin Memory
Center for Spintronic Materials, Interfaces, and Novel Architectures Voltage Controlled Antiferromagnetics and Future Spin Memory Maxim Tsoi The University of Texas at Austin Acknowledgments: H. Seinige,
More informationLuigi Paolasini
Luigi Paolasini paolasini@esrf.fr LECTURE 4: MAGNETIC INTERACTIONS - Dipole vs exchange magnetic interactions. - Direct and indirect exchange interactions. - Anisotropic exchange interactions. - Interplay
More informationNew perspectives in superconductors. E. Bascones Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC)
New perspectives in superconductors E. Bascones Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC) E. Bascones leni@icmm.csic.es Outline Talk I: Correlations in iron superconductors Introduction
More informationQuantum Condensed Matter Physics Lecture 12
Quantum Condensed Matter Physics Lecture 12 David Ritchie QCMP Lent/Easter 2016 http://www.sp.phy.cam.ac.uk/drp2/home 12.1 QCMP Course Contents 1. Classical models for electrons in solids 2. Sommerfeld
More informationEffects of spin-orbit coupling on the BKT transition and the vortexantivortex structure in 2D Fermi Gases
Effects of spin-orbit coupling on the BKT transition and the vortexantivortex structure in D Fermi Gases Carlos A. R. Sa de Melo Georgia Institute of Technology QMath13 Mathematical Results in Quantum
More informationNuclear Physics. (PHY-231) Dr C. M. Cormack. Nuclear Physics This Lecture
Nuclear Physics (PHY-31) Dr C. M. Cormack 11 Nuclear Physics This Lecture This Lecture We will discuss an important effect in nuclear spectroscopy The Mössbauer Effect and its applications in technology
More informationDensity matrix renormalization group study of a three- orbital Hubbard model with spin- orbit coupling in one dimension
Density matrix renormalization group study of a three- orbital Hubbard model with spin- orbit coupling in one dimension Nitin Kaushal, Jacek Herbrych, Alberto Nocera, Gonzalo Alvarez, Adriana Moreo and
More informationLecture 3: Optical Properties of Insulators, Semiconductors, and Metals. 5 nm
Metals Lecture 3: Optical Properties of Insulators, Semiconductors, and Metals 5 nm Course Info Next Week (Sept. 5 and 7) no classes First H/W is due Sept. 1 The Previous Lecture Origin frequency dependence
More informationSECOND PUBLIC EXAMINATION. Honour School of Physics Part C: 4 Year Course. Honour School of Physics and Philosophy Part C C3: CONDENSED MATTER PHYSICS
2753 SECOND PUBLIC EXAMINATION Honour School of Physics Part C: 4 Year Course Honour School of Physics and Philosophy Part C C3: CONDENSED MATTER PHYSICS TRINITY TERM 2011 Wednesday, 22 June, 9.30 am 12.30
More informationInvestigating the mechanism of High Temperature Superconductivity by Oxygen Isotope Substitution. Eran Amit. Amit Keren
Investigating the mechanism of High Temperature Superconductivity by Oxygen Isotope Substitution Eran Amit Amit Keren Technion- Israel Institute of Technology Doping Meisner CuO 2 Spin Glass Magnetic Field
More informationElectron Spectroscopy
Electron Spectroscopy Photoelectron spectroscopy is based upon a single photon in/electron out process. The energy of a photon is given by the Einstein relation : E = h ν where h - Planck constant ( 6.62
More informationA New look at the Pseudogap Phase in the Cuprates.
A New look at the Pseudogap Phase in the Cuprates. Patrick Lee MIT Common themes: 1. Competing order. 2. superconducting fluctuations. 3. Spin gap: RVB. What is the elephant? My answer: All of the above!
More informationUltrafast study of Dirac fermions in out of equilibrium Topological Insulators
Ultrafast study of Dirac fermions in out of equilibrium Topological Insulators Marino Marsi Laboratoire de Physique des Solides CNRS Univ. Paris-Sud - Université Paris-Saclay IMPACT, Cargèse, August 26
More informationTopological Insulators and Ferromagnets: appearance of flat surface bands
Topological Insulators and Ferromagnets: appearance of flat surface bands Thomas Dahm University of Bielefeld T. Paananen and T. Dahm, PRB 87, 195447 (2013) T. Paananen et al, New J. Phys. 16, 033019 (2014)
More informationAn Introduction to Diffraction and Scattering. School of Chemistry The University of Sydney
An Introduction to Diffraction and Scattering Brendan J. Kennedy School of Chemistry The University of Sydney 1) Strong forces 2) Weak forces Types of Forces 3) Electromagnetic forces 4) Gravity Types
More informationSupporting Information
Supporting Information Yi et al..73/pnas.55728 SI Text Study of k z Dispersion Effect on Anisotropy of Fermi Surface Topology. In angle-resolved photoemission spectroscopy (ARPES), the electronic structure
More informationTuning magnetic anisotropy, Kondo screening and Dzyaloshinskii-Moriya interaction in pairs of Fe adatoms
Tuning magnetic anisotropy, Kondo screening and Dzyaloshinskii-Moriya interaction in pairs of Fe adatoms Department of Physics, Hamburg University, Hamburg, Germany SPICE Workshop, Mainz Outline Tune magnetic
More informationFermi polaron-polaritons in MoSe 2
Fermi polaron-polaritons in MoSe 2 Meinrad Sidler, Patrick Back, Ovidiu Cotlet, Ajit Srivastava, Thomas Fink, Martin Kroner, Eugene Demler, Atac Imamoglu Quantum impurity problem Nonperturbative interaction
More informationMulti-spinon and antiholon excitations probed by resonant inelastic x-ray scattering on doped onedimensional
PAPER OPEN ACCESS Multi-spinon and antiholon excitations probed by resonant inelastic x-ray scattering on doped onedimensional antiferromagnets To cite this article: Umesh Kumar et al 018 New J. Phys.
More informationSearch for conducting stripes in lightly hole doped YBCO
Search for conducting stripes in lightly hole doped YBCO András Jánossy 1, Titusz Fehér 1,2 Kálmán Nagy 1 Andreas Erb 3 László Mihály 4 1 Budapest University of Technology and Economics, Institute of Physics
More informationLuigi Paolasini
Luigi Paolasini paolasini@esrf.fr LECTURE 7: Magnetic excitations - Phase transitions and the Landau mean-field theory. - Heisenberg and Ising models. - Magnetic excitations. External parameter, as for
More informationPhotoemission Studies of Strongly Correlated Systems
Photoemission Studies of Strongly Correlated Systems Peter D. Johnson Physics Dept., Brookhaven National Laboratory JLab March 2005 MgB2 High T c Superconductor - Phase Diagram Fermi Liquid:-Excitations
More informationDecoherence in molecular magnets: Fe 8 and Mn 12
Decoherence in molecular magnets: Fe 8 and Mn 12 I.S. Tupitsyn (with P.C.E. Stamp) Pacific Institute of Theoretical Physics (UBC, Vancouver) Early 7-s: Fast magnetic relaxation in rare-earth systems (Dy
More informationRadiation and the Atom
Radiation and the Atom PHYS Lecture Departamento de Física Instituto Superior de Engenharia do Porto cav@isep.ipp.pt Overview SI Units and Prefixes Radiation Electromagnetic Radiation Electromagnetic Spectrum
More informationrequires going beyond BCS theory to include inelastic scattering In conventional superconductors we use Eliashberg theory to include the electron-
MECHANISM requires going beyond BCS theory to include inelastic scattering In conventional superconductors we use Eliashberg theory to include the electron- A serious limitation of BCS theory is that it
More informationChapter 8 Magnetic Resonance
Chapter 8 Magnetic Resonance 9.1 Electron paramagnetic resonance 9.2 Ferromagnetic resonance 9.3 Nuclear magnetic resonance 9.4 Other resonance methods TCD March 2007 1 A resonance experiment involves
More informationVerwey transition in magnetite (Fe3O4), unveiled?
Verwey transition in magnetite (Fe3O4), unveiled? J.E. Lorenzo Keywords: Charge, orbital orderings; lattice distortion; spin reorientation; resonant X ray scattering S. Grenier N. Jaouen Y. Joly D. Mannix
More informationOptical Characterization of Solids
D. Dragoman M. Dragoman Optical Characterization of Solids With 184 Figures Springer 1. Elementary Excitations in Solids 1 1.1 Energy Band Structure in Crystalline Materials 2 1.2 k p Method 11 1.3 Numerical
More informationChapter 12: Semiconductors
Chapter 12: Semiconductors Bardeen & Shottky January 30, 2017 Contents 1 Band Structure 4 2 Charge Carrier Density in Intrinsic Semiconductors. 6 3 Doping of Semiconductors 12 4 Carrier Densities in Doped
More informationDisordered Materials: Glass physics
Disordered Materials: Glass physics > 2.7. Introduction, liquids, glasses > 4.7. Scattering off disordered matter: static, elastic and dynamics structure factors > 9.7. Static structures: X-ray scattering,
More informationSynchrotron Methods in Nanomaterials Research
Synchrotron Methods in Nanomaterials Research Marcel MiGLiERiNi Slovak University of Technology in Bratislava and Centre for Nanomaterials Research, Olomouc marcel.miglierini@stuba.sk www.nuc.elf.stuba.sk/bruno
More informationQUANTUM WELLS, WIRES AND DOTS
QUANTUM WELLS, WIRES AND DOTS Theoretical and Computational Physics of Semiconductor Nanostructures Second Edition Paul Harrison The University of Leeds, UK /Cf}\WILEY~ ^INTERSCIENCE JOHN WILEY & SONS,
More informationarxiv:cond-mat/ v3 [cond-mat.supr-con] 23 May 2000
Electronic Structure of La 2 x Sr x CuO 4 in the Vicinity of the Superconductor-Insulator Transition arxiv:cond-mat/99248v3 [cond-mat.supr-con] 23 May 2 A. Ino, C. Kim 2, M. Nakamura 3, T. Yoshida, T.
More informationAtomic Structure and Processes
Chapter 5 Atomic Structure and Processes 5.1 Elementary atomic structure Bohr Orbits correspond to principal quantum number n. Hydrogen atom energy levels where the Rydberg energy is R y = m e ( e E n
More informationFMM, 15 th Feb Simon Zihlmann
FMM, 15 th Feb. 2013 Simon Zihlmann Outline Motivation Basics about graphene lattice and edges Introduction to Raman spectroscopy Scattering at the edge Polarization dependence Thermal rearrangement of
More information