Quantum Critical Point of the XY Model and Condensation of Field-induced Quasiparticles in Dimer Compounds(General)
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概要
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The quantum critical point of the three-dimensional XY model in a symmetry-preserving field is investigated. The results of Monte Carlo simulations with the directed-loop algorithm show that the quantum critical behavior is characterized by the mean-field values of critical exponents The system-size dependence of various quantities is compared to a simple field-theoretical argument that supports the mean-field scaling.
- 社団法人日本物理学会の論文
- 2004-12-15
著者
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Kawashima N
Tokyo Metropolitan Univ. Tokyo Jpn
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Kawashima Naoki
Department Of Physics Toho University
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Kawashima Naoki
Department Of Physics Faculty Of Science University Of Tokyo
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