On the $Ad{S}_5/CF{T}_4$ TBA and its analytic properties

Abstract

The thermodynamic Bethe Ansatz equations arising in the context of the $Ad{S}_5/CF{T}_4$ correspondence exhibit an important difference with respect to their analogues in relativistic integrable quantum field theories: their solutions (the Y functions) are not meromorphic functions of the rapidity, but live on a complicated Riemann surface with an infinite number of branch points and therefore enjoy a new kind of extended Y-system. In this paper we review the analytic properties of the TBA solutions, and present new information coming from their numerical study. An identity allowing to simplify the equations and the numerical implementation is presented, together with various plots which highlight the analytic structure of the Y functions.

Latex, 32 pages, 25 figures. Contribution to the Proceedings of the conference "Infinite Analysis 10: Developments in Quantum Integrable Systems", RIMS (Kyoto June 14 -- 16, 2010)

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Cited by in corpus (13)

• Integrability of the AdS_5 x S^5 superstring and its deformations
• The Quantum Deformed Mirror TBA I
• The spectral problem for strings on twisted AdS_5 x S^5
• Introduction to the thermodynamic Bethe ansatz
• The Quantum Deformed Mirror TBA II
• $Ad{S}_5\times S^5$ mirror TBA equations from Y-system and discontinuity relations
• Comments on the Mirror TBA
• Finite size effect on the magnon's correlation functions
• Lifting asymptotic degeneracies with the Mirror TBA
• Y-system for Z_S Orbifolds of N=4 SYM
• Discontinuity relations for the AdS(4)/CFT(3) correspondence
• Wrapping corrections, reciprocity and BFKL beyond the sl(2) subsector in N=4 SYM
• Gauge/string duality and thermodynamic Bethe ansatz equations