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Reentrant phase transitions in the two-dimensional Ising model with competing nearest neighbour interactions

✍ Scribed by Hidetsugu Kitatani; Seiji Miyashita; Masuo Suzuki


Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
406 KB
Volume
108
Category
Article
ISSN
0375-9601

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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