Lifting asymptotic degeneracies with the Mirror TBA

Abstract

We describe a qualitative feature of the AdS_5 x S^5 string spectrum which is not captured by the asymptotic Bethe ansatz. This is reflected by an enhanced discrete symmetry in the asymptotic limit, whereby extra energy degeneracy enters the spectrum. We discuss how finite size corrections should lift this degeneracy, through both perturbative (Luscher) and non-perturbative approaches (the Mirror TBA), and illustrate this explicitly on two such asymptotically degenerate states.

v3, 20 pages, 1 figure, 2 tables, as published

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Cited by in corpus (12)

• Towards integrability for AdS3/CFT2
• Integrability of the AdS_5 x S^5 superstring and its deformations
• Protected string spectrum in AdS3/CFT2 from worldsheet integrability
• The Quantum Deformed Mirror TBA I
• The spectral problem for strings on twisted AdS_5 x S^5
• The Quantum Deformed Mirror TBA II
• Scaling dimensions from the mirror TBA
• Exceptional Operators in N=4 super Yang-Mills
• Bound States in the Mirror TBA
• Discontinuity relations for the AdS(4)/CFT(3) correspondence
• Wrapping corrections for non-diagonal boundaries in AdS/CFT
• 12 loops and triple wrapping in ABJM theory from integrability