Statistical Mechanics of a Spin-Boson System. III : A Closed Equation for the Partition Function : Condensed Matter and Statistical Physics
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概要
- 論文の詳細を見る
A closed integral equation for the partition function of a spin-boson system is obtained by the use of the coherent state representation of boson. This is accomplished by the use of new method of taking the thermal average by differential operations. The dynamic compensation theorem for the thermodynamic fluctuation is proved without employing a series expansion of the partition function as done in our previous works. The zeroth approximation to the equation is shown to be the decoupling approximation introduced previously, as naturally expected.
- 理論物理学刊行会の論文
- 1991-01-25
著者
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都築 俊夫
東北大理
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TSUZUKI Toshio
Department of Physics, Tohoku University
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Tsuzuki Toshio
Department Of Physics Faculty Of Science Kyushu University
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