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On the spectrum of AdS/CFT beyond supergravity | | N. Beisert
; M. Bianchi
; J.F. Morales
; H. Samtleben
; | | Date: |
31 Oct 2003 | | Journal: | JHEP 0402 (2004) 001 DOI: 10.1088/1126-6708/2004/02/001 | | Subject: | hep-th | | Abstract: | We test the spectrum of string theory on AdS_5 x S^5 derived in hep-th/0305052 against that of single-trace gauge invariant operators in free N=4 super Yang-Mills theory. Masses of string excitations at critical tension are derived by extrapolating plane-wave frequencies at g_{YM}=0 down to finite J. On the SYM side, we present a systematic description of the spectrum of single-trace operators and its reduction to PSU(2,2|4) superconformal primaries via a refined Eratostenes’ supersieve. We perform the comparison of the resulting SYM/string spectra of charges and multiplicities order by order in the conformal dimension Delta up to Delta=10 and find perfect agreement. Interestingly, the SYM/string massive spectrum exhibits a hidden symmetry structure larger than expected, with bosonic subgroup SO(10,2) and thirty-two supercharges. | | Source: | arXiv, hep-th/0310292 | | Services: | Forum | Review | PDF | Favorites | |
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