Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: All-loop Bethe ansatz equations for AdS3/CFT2   Using the S-matrix for the d(2,1;alpha)^2 symmetric spin-chain of AdS3/CFT2,
we propose a new set of all-loop Bethe equations for the system. These
equations differ from the ones previously found in the literature by the choice
of relative grading between the two copies of the d(2,1;alpha) superalgebra,
and involve four undetermined scalar factors that play the role of dressing
phases. Imposing crossing symmetry and comparing with the near-BMN form of the
S-matrix found in the literature, we find several novel features. In
particular, the scalar factors must differ from the Beisert-Eden-Staudacher
phase, and should couple nodes of different masses to each other. In the
semiclassical limit the phases are given by a suitable generalization of
Arutyunov-Frolov-Staudacher phase.

17
The categories of this paper are: q-fin
2
The categories of this paper are: math
18
The categories of this paper are: econ
1
The categories of this paper are: cs
12
The categories of this paper are: nucl-th
20
The categories of this paper are: acc-phys
36
The categories of this paper are: cmp-lg
29
The categories of this paper are: funct-an
24
The categories of this paper are: dg-ga
10
The categories of this paper are: q-bio
9
The categories of this paper are: nlin
15
The categories of this paper are: nucl-ex
33
The categories of this paper are: plasm-ph
37
The categories of this paper are: supr-con
22
The categories of this paper are: chao-dyn
13
The categories of this paper are: quant-ph