On the ground-state energy of a finite inhomogeneous degenerate Bose gas

被引：1
|
作者：
Bobrov, V. B. [1 ,2 ]
Zagorodny, A. G. [3 ]
Trigger, S. A. [1 ]
机构：
[1] Russian Acad Sci, Joint Inst High Temperatures, 13 Izhorskaya St B 2, Moscow 125412, Russia
[2] Natl Res Univ, Moscow Power Engn Inst, 14 Krasnokazarmennaya St, Moscow 111250, Russia
[3] Natl Acad Sci Ukraine, Bogolubov Inst Theoret Phys, 14-B Metrologicheskaya St, UA-03680 Kiev, Ukraine
来源：
LOW TEMPERATURE PHYSICS | 2018年 / 44卷 / 11期
关键词：
EINSTEIN CONDENSATION; VORTEX;
D O I：
10.1063/1.5062162
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The ground-state energy of a finite inhomogeneous system of bosons located in a scalar external field was found within the framework of the self-consistent Hartree-Fock approximation, on the basis of the representation of the second quantization without using the formalism of anomalous averages. The ground-state wave function corresponds to the stationary Gross-Pitaevskii equation for the Bose-Einstein condensate wave function. It was shown that the ground-state energy can be found using the energy determined by the stationary Gross-Pitaevskii equation only for a system that satisfies the thermodynamic limit. Published by AIP Publishing.
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页码：1211 / 1214
页数：4
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