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Thermodynamic Properties of an Integrable Quantum Spin Ladder with Boundary Impurities

Batchelor, Murray; Guan, Xi-Wen; Foerster, Angela; Tonel, A; Zhou, H-Q

Description

An integrable quantum spin ladder based on the SU(4) symmetry algebra with boundary defects is studied in the framework of boundary integrability. Five nontrivial solutions of the reflection equations lead to different boundary impurities. In each case the energy spectrum is determined using the quantum inverse scattering method. The thermodynamic properties are investigated by means of the thermodynamic Bethe ansatz. In particular, the susceptibility and the magnetization of the model in the...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
URI: http://hdl.handle.net/1885/87837
Source: Nuclear Physics B
DOI: 10.1016/j.nuclphysb.2003.07.012

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