Correlation functions for a Bose-Einstein condensate in the Bogoliubov approximation

被引：0
|
作者：
A. Montina
E. Arimondo
机构：
[1] Dipartimento di Fisica and Istituto Nazionale Fisica della Materia,
[2] Università di Pisa,undefined
[3] Via F. Buonarroti 2,undefined
[4] 56127 Pisa,undefined
[5] Italy,undefined
来源：
The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics | 2001年 / 14卷
关键词：
PACS. 03.75.Fi Phase coherent atomic ensembles; quantum condensation phenomena – 42.50.-p Quantum optics;
D O I：
暂无
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学科分类号：
摘要：
In this article we introduce a differential equation for the first order correlation function G(1) of a Bose-Einstein condensate at T = 0. The Bogoliubov approximation is used. Our approach points out directly the dependence on the physical parameters. Furthermore it suggests a numerical method to calculate G(1) without solving an eigenvector problem. The G(1) equation is generalized to the case of non zero temperature.
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页码：105 / 110
页数：5
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