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Dynamics of the anisotropic two-dimensional XY model

โœ Scribed by L. S. Lima; A. S.T. Pires

Book ID
111623074
Publisher
Springer
Year
2009
Tongue
English
Weight
357 KB
Volume
70
Category
Article
ISSN
1434-6036

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๐Ÿ“œ SIMILAR VOLUMES

Self-consistent mean-field study of the
Self-consistent mean-field study of the anisotropic two-dimensional XY model
โœ Daniel Spiลกรกk ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 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

Spin transport in the two-dimensional an
Spin transport in the two-dimensional anisotropic XY model coupled to phonons
โœ L.S. Lima; A.S.T. Pires ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 890 KB

In this paper, we study spin currents, generated by a magnetic field gradient, in the two-dimensional XY model with single-ion anisotropy and coupled to phonons in the large D phase. The spin conductivity is calculated, at zero temperature, using the Kubo formula.