Thermodynamic properties of a rotating Bose-Einstein condensation in a harmonic plus quartic trap

被引：4
|
作者：
El-Sherbini, Tharwat M. [1 ]
Hassan, Doaa [1 ]
Galal, Abdelhamid A. [1 ]
Hassan, Ahmed S. [2 ]
机构：
[1] Cairo Univ, Fac Sci, Dept Phys, Giza, Egypt
[2] Menia Univ, Fac Sci, Dept Phys, El Minia, Egypt
来源：
EUROPEAN PHYSICAL JOURNAL D | 2013年 / 67卷 / 08期
关键词：
ATOMIC GASES; POTENTIALS; VORTICES;
D O I：
10.1140/epjd/e2013-40243-x
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, the thermodynamic properties of a rotating Bose-Einstein condensate confined in a harmonic plus quartic potential are calculated using a modified semiclassical approximation. We determined the condensate fraction, critical temperature and heat capacity of the condensate using a method that takes into account deviations from ideal gas behavior due to the effect of finite size and the chemical potential when it is equal to the ground state energy (positive chemical potential). Predictions that can be directly compared with experiment have been found.
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页数：7
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