NONPERTURBATIVE APPROACH TO SUPERFLUID BOSE SYSTEMS

被引：0
|
作者：
Peletminskii, A. S. [1 ]
Peletminskii, S. V. [1 ]
Poluektov, Yu. M. [1 ]
机构：
[1] Kharkov Phys & Technol Inst, Natl Sci Ctr, UA-61108 Kharkov, Ukraine
来源：
PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY | 2012年 / 01期
关键词：
EINSTEIN CONDENSATION; VORTEX; GAS;
D O I：
暂无
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We study a superfluid Bose system with single-particle and pair condensates using a nonperturbative approach. The self-consistency equations for two order parameters are obtained from the principle of maximum entropy. They are analyzed numerically at zero temperature for dilute (gases of alkali-metal atoms) and dense (superfluid He-4) systems. It is shown that the pair condensate fraction is negligible for dilute systems and becomes dominant for dense systems.
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页码：240 / 244
页数：5
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