Two Order Parameters in Quantum XZ Spin Models with Gibbsian Ground States

Dorlas, T. C. and Skrypnik, W. (2004) Two Order Parameters in Quantum XZ Spin Models with Gibbsian Ground States. (Preprint)

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Abstract

We describe a family of quantum spin models which are generators of a discrete Markovian process. We show that that there exists an explicit expression for the ground state of such models and give a simple argument for the existence of two types of long-range order in such systems. Two special examples of these systems are analysed in detail.

Item Type: Article
Divisions: School of Theoretical Physics > Preprints
Date Deposited: 13 Jun 2018 14:34
Last Modified: 16 Jul 2018 12:59
URI: http://dair.dias.ie/id/eprint/460

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