Critical temperature for entanglement transition in Heisenberg models

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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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Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/91733

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/quant-ph/0401015
 http://arxiv.org/abs/quant-ph/0401015
 In "Group 24; Physical and Mathematical Aspects of Symmetries", Published by Institute of Physics, Conference Series 173, (2003) 535

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arXiv