Quantum dispersion relations for excitations of long folded spinning superstring in AdS5 × S5

S. Giombi, R. Ricci, R. Roiban, A. A. Tseytlin

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

We use AdS5×S5 superstring sigma model perturbation theory to compute the leading one-loop corrections to the dispersion relations of the excitations near a long spinning string in AdS. This investigation is partially motivated by the OPE-based approach to the computation of the expectation value of null polygonal Wilson loops suggested in arXiv:1006.2788. Our results are in partial agreement with the recent asymptotic Bethe ansatz computation in arXiv:1010.5237. In particular, we find that the heaviest AdS mode (absent in the ABA approach) is stable and has a corrected one-loop dispersion relation similar to the other massive modes. Its stability might hold also at the next-to-leading order as we suggest using a unitarity-based argument.

Original languageEnglish (US)
Article number128
JournalJournal of High Energy Physics
Volume2011
Issue number1
DOIs
StatePublished - 2011
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Keywords

  • AdS-CFT correspondence
  • Field theories in lower dimensions

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