Galilean DKP theory and Bose-Einstein condensation

被引：19
|
作者：
Abreu, L. M. [1 ]
Gadelha, Alexandre L. [1 ]
Pimentel, B. M. [2 ]
Santos, E. S. [1 ]
机构：
[1] Univ Fed Bahia, Inst Fis, BR-40210340 Salvador, BA, Brazil
[2] Sao Paulo State Univ, UNESP, IFT, BR-01140070 Sao Paulo, Brazil
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2015年 / 419卷
关键词：
Bose-Einstein condensation; Galilean covariance; DKP theory; DUFFIN-KEMMER-PETIAU; COVARIANCE; EQUATIONS; FIELDS;
D O I：
10.1016/j.physa.2014.10.049
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This work is devoted to the development of Galilean Duffin-Kemmer-Petiau (DKP) theory at finite temperature and to the study of Bose-Einstein condensation (BEC). This DKP-like theory is formulated in a 5-dimensional manifold, in which the Galilei-covariant first-order wave equations represent the covariant version of the Schrodinger and non-relativistic vector field equations. The thermodynamics is studied within the Matsubara (imaginary-time) formalism, and BEC is analyzed in both spin-0 and spin-1 sectors of the theory, by using the appropriate representation of Galilean DKP algebra. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：612 / 621
页数：10
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