Critical temperature for entanglement transition in Heisenberg models

Fu, Hongchen; Solomon, Allan I. and Wang, Xiaoguang (2003). Critical temperature for entanglement transition in Heisenberg models. In: Group 24; Physical and Mathematical Aspects of Symmetries, 2003.

URL: http://xxx.soton.ac.uk/abs/quant-ph/0401015

Abstract

We study thermal entanglement in some low-dimensional Heisenberg models. It is found that in each model there is a critical temperature above which thermal entanglement is absent.

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