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Qualitative study of the boundary correlation function in the two-dimensional XY-model

✍ Scribed by A. Holz; Chang-de Gong


Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
284 KB
Volume
120
Category
Article
ISSN
0375-9601

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Self-consistent mean-field study of the
✍ Daniel SpiΕ‘Γ‘k πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 282 KB

The self-consistent harmonic approximation is applied to the classical two-dimensional anisotropic X'Y (planar rotator) model on the square lattice. From the effective spin-wave stiffness constant data the phase diagram is constructed and the corresponding lattice dimensionality crossover exponents