More on the tensionless limit of pure-Ramond-Ramond AdS3/CFT2

Abstract

In a recent letter we presented the equations which describe tensionless limit of the excited-state spectrum for strings on AdS3 × S3 × T4 supported by Ramond-Ramond flux, and their numerical solution. In this paper, we give a detailed account of the derivation of these equations from the mirror TBA equations proposed by Frolov and Sfondrini, discussing the contour-deformation trick which we used to obtain excited-state equations and the tensionless limit. We also comment at length on the algorithm for the numerical solution of the equations in the tensionless limit, and present a number of explicit numerical results, as well as comment on their interpretation.

On the worldsheet S matrix of the AdS3/CFT2 mixed-flux mirror model

“…However, for r finite the energy levels get modified by the so-called Lüscher corrections (see [31] for a review): these corrections are generated by mirror particles travelling around the circle and scattering once at a time with all the physical (or string) particles on the circle [9]. When the mirror particles are massive, such effects are exponentially suppressed as e −ωr , while for gapless mirror particles they are expected to affect the energy at order 1/r [32]. The Lüscher corrections do not fully account for all finite-size effects, but it is instructive to study whether they are real.…”

A study of form factors in relativistic mixed-flux AdS3

“…A new series of articles [62][63][64], see also [65], has revisited the integrability programme in AdS 3 × S 3 × T 4 , has proposed new dressing phases and has formulated the Thermodynamic Bethe Ansatz (TBA). Further recent work can be found in [66][67][68][69].…”