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Paper detail

The Bethe ansatz for a new integrable open quantum system

In this paper we apply the nested algebraic Bethe ansatz to compute the eigenvalues and the Bethe equations of the transfer matrix of the new integrable Lindbladian found in [1]. We show that it can be written as an integrable spin chain consisting of two interacting XXZ spin chains. We numerically compute the Liouville gap and its dependence on the parameters in the system such as scaling with the system length and interaction strength.

preprint2022arXivOpen access
Marius de LeeuwChiara Paletta
cond-mat.stat-mechmath-phmath.MPnlin.SIhep-th
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Marius de LeeuwChiara Paletta

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