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First order transition in the random two-dimensional XY model

โœ Scribed by Mai Suan Li; Marek Cieplak


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
345 KB
Volume
184
Category
Article
ISSN
0375-9601

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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