A note on the osp(1|2s) thermodynamic Bethe ansatz equation
arXiv:cond-mat/0108358 · doi:10.1142/S0217751X02009758
Abstract
A Bethe ansatz equation associated with the Lie superalgebra osp(1|2s) is studied. A thermodynamic Bethe ansatz (TBA) equation is derived by the string hypothesis. The high temperature limit of the entropy density is expressed in terms of the solution of the osp(1|2s) version of the Q-system. In particular for fundamental representation case, we also derive a TBA equation from the osp(1|2s) version of the T-system and the quantum transfer matrix method. This TBA equation is identical to the one from the string hypothesis. The central charge is expressed by the Rogers dilogarithmic function, and identified to s.
23 pages, 3 postscript figures
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- Lifting asymptotic degeneracies with the Mirror TBA
- Orbifolded Konishi from the Mirror TBA
- Integral equations for thermodynamics of the osp(1|2s) integrable spin chain
- Folding QQ-relations and transfer matrix eigenvalues: towards a unified approach to Bethe ansatz for super spin chains