Dynamical Properties of the Three-Dimensional XY Model at Low Temperatures
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概要
- 論文の詳細を見る
On the basis of the generalized Langevin equations for the spin operators, the dynamical properties of the XY model at low temperatures are investigated in the spin wave approximation. The transverse as well as longitudinal dampings are calculated, with the use of which the hydrodynamic equations are derived. The frequency spectrum of spin wave thence obtained agrees with the result obtained hydrodynamically by Halperin and Hohenberg. The microscopic expressions for the various parameters appearing in their hydrodynamic equations are also determined.
- 理論物理学刊行会の論文
- 1980-08-25
著者
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Nakano Huzio
Department Of Applied Physics Faculty Of Engineering Nagoya University
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Aoki T
Gunma National College Of Technology
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Homma Shigeo
Department Of Applied Physics Faculty Of Engineering Nagoya University
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Aoki Tosizumi
Department Of Applied Physics Faculty Of Engineering Nagoya University
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HOMMA Shigeo
Department of Applied Physics, Faculty of Engineering, Nagoya University
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