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Low-temperature asymptotics of integrable systems in an external field

Bortz, Michael


An asymptotic low-temperature expansion is performed for an integrable bosonic lattice model and for the critical spin-1/2 Heisenberg chain in a magnetic field. The results apply to the integrable Bose gas as well. We also comment on a high-temperature expansion of the bosonic lattice model.

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Journal of Physics A: Mathematical and General
DOI: 10.1088/1751-8113/40/1/001


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