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.

引用

页码：1211 / 1214

页数：4

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