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Quantum spherical XY model with orthorhombic anisotropy in two dimensions

โœ Scribed by Yu.A. Fridman; D.V. Spirin


Book ID
111620632
Publisher
Springer
Year
2003
Tongue
English
Weight
155 KB
Volume
31
Category
Article
ISSN
1434-6036

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In this paper we study the quantum phase transition and low temperature behavior in a square lattice quantum two-dimensional XY model with single-ion anisotropy and spin S = 1. Starting with the Villain representation, a Landau-Ginzburg expression is written. The large D phase is studied using the