Path integral hybrid Monte Carlo calculation of the bosonic oscillators

被引：0
|
作者：
Miura, S [1 ]
Okazaki, S [1 ]
机构：
[1] Tokyo Inst Technol, Dept Elect Chem, Midori Ku, Yokohama, Kanagawa 2268502, Japan
来源：
JOURNAL OF MOLECULAR LIQUIDS | 2001年 / 90卷 / 1-3期
关键词：
D O I：
10.1016/S0167-7322(00)00176-8
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper, various correlation functions for a bosonic many-body system have been calculated using the path integral hybrid Monte Carlo method proposed by the authors [Chem. Phys. Lett. 308, 115 (1999)]. A system consisting of 32 independent particles in a harmonic well was chosen as a model problem. Calculations were carried out at two temperatures for the Boltzmann and Bose statistics. The large amplitude of the bosonic pair-correlation function around origin was found in comparison with the boltzmannoniac counterpart. This behavior can be interpreted by effective "attractive interaction" between particles arising from the Bose statistics. (C) 2001 Elsevier Science B.V. All rights reserved.
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页码：21 / 28
页数：8
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