Classical Spectral Curve of the AdS_5 x S^5 Lambda Superstring

Abstract

The classical spectral curve for the worldsheet theory of the AdS_5 x S^5 lambda superstring is constructed. The lambda string is interpreted as a regularized, non-abelian T dual of the AdS_5 x S^5 superstring with respect to full PSU(2,2|4) symmetry. The form of the curve is identified as the semi-classical limit of a set of Bethe ansatz equations for an XXZ type spin chain for the supergroup PSU(2,2|4) in contrast to the string in AdS_5 x S^5 which is XXX type.

arXiv comment45 pages, numerous improvements, version accepted for publication

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Cited by in corpus (3)

• Homogeneous Yang-Baxter deformations as undeformed yet twisted models
• Integrability of the $\lambda$-deformation of the PCM with spectators
• Classical Spectral Curve of the AdS_5 x S^5 Lambda Superstring