Osp(1 2M)-invariant higher-spin systems

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1 Osp M-nvarant hgher-spn systes Dtr Sorokn INFN Padova Secton Based on arv: work n progress wth Ioanns Floraks CERN and Mran Tsulaa Canerra Penn State Un August

2 Prelnares The largest nte-densonal syetry o a HS syste n D= s extended conoral syetry Sp8 t unes n nnte ultplets elds o s=0. and s=/ / nteger and hal-nteger spn elds can e urther uned nto an Osp 8 superultplet Free HS theory s a sple theory o a hyper scalar and spnor eld n a space-te extended wth 6 extra tensoral coordnates hyperspace n whch Sp8 acts as the conoral group Fronsdal 85; Bandos Lukersk D.S ; Vaslev 0; Ddenko Vaslev 0; Plyushchay Tsulaa D.S. 0; Bandos Bekaert et. al. 05; elond Vaslev 05-5; Fedoruk Ivanov 07 Descrpton o the Sp8-nvarant HS syste wth CFT ethods

3 Sp8 syetry o d HS theory Fronsdal 985 SO SO SO SO SpR Sp8R Sp8 acts on nnte spectru o d HS sngle-partcle states s=0 / / ths s a consequence o Flato-Fronsdal Theore 978: Tensor product o two d sngleton odul coprses all the assless spn-s elds n d Sngletons are d assless scalar and spnor elds whch enjoy d conoral syetry SO Sp SS Sp Sp Sp8 Can Sp8 play a role slar to Poncaré or conoral syetry actng geoetrcally on a hyperspace contanng d space-te? Whether a d HS theory can e orulated as a eld theory on ths hyperspace? `eoetrcally eans: con n x a l nx x k x k n x n x Fronsdal 85: nal denson o the Sp8 hyperspace contanng d space-te s 0

4 Partcles and elds n Sp8 hyperspace Bandos & Lukersk 98: Twstor-lke super partcle on a tensoral space ther otvaton was not related to HS theory ut to supersyetry Most general N= susy n lat d: { Q Q } P n n [ P nl ] 0 0d space coordnates: P x d coordnates x y n n n - y n y n 6 extra coordnates atrx coordnates Superpartcle acton: S d P - coutng twstor-lke varale possesses hdden generalzed superconoral syetry OSp 8 Sp8 Quantzaton Bandos Lukersk & D.S. 99 Curtrght 88 Are there superstrngs n D? ; 0 - descres n d ree elds o any spn s=0 / / supertwstor relatons

5 Feld theory n lat Sp8 hyperspace Feld equatons n lat hyperspace Vaslev 0: Forer transor C d e k C... C... k C 0 Free unolded equatons and are ndependent scalar and spnor hyperelds satsyng the equatons: 0 0 d content o and are Hgher-Spn curvatures Vaslev 0 Bandos et. al. 05: n x y n Integer spns: Secton condton n generalzed geoetry o M-theory Beran et. al. x y nlp x y 0 0 n n lp x y y y n n n pq x y x Fn x y Rn pq x pnq y y... n n ½ nteger spns: x y x x y... n n Eos and Banch: p 0 ; [ lfn] 0 Fn 0; R[ n p] q 0 Rn pq 0;... 5

6 Sp8 transoratons n hyperspace syetres o the eld equatons Conoral transoratons: con n x a l nx x k x k n x n x Sp8 transoratons: Sp 8 a g k g g k k g k Sp8 generators: conoral weghts o the elds P L generators o L K [ P P] 0 [ L L] L [ K K] 0 [ L P] P [ P K] L [ L K] K Hyperspace s a coset space: P Sp8 K L 6

7 Hyperspace extenson o AdS Bandos Lukersk Pretschop D.S. 99; Vaslev 0 0d group anold SpR ~ SO AdS Sp SO Sp8 Sp P K - derent Sp8 coset realzaton K L Lke Mnkowsk and AdS spaces whch are conorally lat the lat hyperspace and Sp are locally related to each other y a generalzed conoral transoraton SpM group anolds are L-lat Plyushchay D.S. & Tsulaa 0 Algera o covarant dervatves on Sp: [ ] C C r C C - - r d ; r - s Sp or AdS radus Sp Cartan or L-latness s portant or the relaton etween the eld equatons n lat and Sp hyperspace 7

8 HS eld equatons n Sp Ddenko and Vaslev 0; Plyushchay D.S. & Tsulaa 0 Flat hyperspace equatons: 0 0 Sp eld equatons Plyushchay D.S. & Tsulaa 0 : Fer: F F r C F C F Bose: B B 8r C C C B C C C C r B eneralzed conoral relatons etween lat and Sp hyperelds Floraks D.S. & Tsulaa B F r 8

9 Energy-oentu tensors o hyperelds and HS conserved currents Vaslev 0 T T Conservaton law: T T T T 0 Closed -or: J HS currents: T d d d n k k nk a n k... n... k... nk k 0 d T dj 0 Q M J Integraton easure n hyperspace Flat M 0 : Sp: Sp tr EEE tr EEEEEEE 0 tr ddd tr dddddd r 7 E d d 9

10 c c c Sp8 nvarant correlaton unctons In lat hyperspace Vaslev 0 Vaslev & akn 0 also Ddenko & Skovrtsov In Sp hyperspace Floraks D.S. & Tsulaa lat Sp lat Sp lat Sp B B B F F B B r conoral weght 0

11 Four-pont unctons Bosonc: j j Feronc:

12 Supersyetry n hyperspace oton o 8 - nvarant equatons - 0 ] [ } { auxlary elds OSp D D P D D D n n Hgher spn elds or an nnte densonsal D= superultplet Osp 8 nvarant correlaton unctons o scalar superelds j j j j k k k c c 0 ±/ ± ±/ ± ±5/ On supergroup anold Osp : 0 8 ] [ C r

13 Concluson Free theory o the nnte nuer o assless HS elds n d lat and AdS space has generalzed conoral Sp8 syetry and can e copactly orulated n 0d hyperspace wth the use o one scalar and one spnor eld. May Sp8 syetry have soethng to do wth the trvalzaton o the partton uncton o the nnte syste o s=0 Beccara & Tseytln Hgher densonal extenson to SpM nvarant hyperspaces s straghtorward Bandos Lukersk D.S. 99 Vaslev 0.. known physcally relevant cases are Bandos Bekaert de Azcarraga D.S. Tsulaa 05 M= d= M= d= M=8 d=6 M=6 d=0 descre conoral HS elds n correspondng space-tes. Supersyetrc generalzatons are avalale Bandos et. al Vaslev et. al. Ivanov et. al. P. West Floraks et. al Is there any relaton to Douled Feld Theory? Man prole: Whether one can construct an nteractng eld theory n hyperspace whch would descre HS nteractons n conventonal space-te at least wth vertces coposed o HS curvatures and ther dervatves elond & Vaslev 5: HS current nteractons reak Sp8 down to SU How can one reveal ths reakng usng conoral analyss o correlaton unctons?

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