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Phase transition and thermodynamics of quantum XY model in two dimensions

โœ Scribed by Ding, H.-Q.


Book ID
117991594
Publisher
The American Physical Society
Year
1992
Tongue
English
Weight
571 KB
Volume
45
Category
Article
ISSN
1098-0121

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Quantum phase transition in the two-dime
โœ A.S.T. Pires; M.E. Gouvea ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 449 KB

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