Momentum Distribution Condition in the Cluster Variation Method : Condensed Matter and Statistical Physics
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概要
- 論文の詳細を見る
The distribution function of the particle occupation probability in the momentum space is investigated by the cluster variation method. The distribution function calculated in the two-body cluster approximation often gives unreasonably too many particles jumping out of the degenerate state. A new condition is introduced to suppress the excitation of too many particles. The condition is applied to liquid helium-4 and neutron matter. Numerical results show that the condition regulates the behavior of the momentum distribution function, and is useful to avoid an unnatural kinetic energy.
- 理論物理学刊行会の論文
- 1984-05-25
著者
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Yamada Masami
Science And Engineering Research Laboratory Waseda University
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MIMURA Hiroshi
Chiyoda Institute of Technology
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YAMADA Masami
Advancde Research Institute for Science and Engineering, Wasede University
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