Quantum scalar field in D-dimensional de Sitter spacetimes

被引：7
|
作者：
Alencar, G. [1 ]
Guedes, I. [2 ]
Landim, R. R. [2 ]
Costa Filho, R. N. [2 ]
机构：
[1] Univ Estadual Ceara, Fac Educ Ciencias & Letras Sertao Cent, BR-63900000 Quixada, Ceara, Brazil
[2] Univ Estadual Ceara, Dept Fis, BR-60455760 Fortaleza, Ceara, Brazil
来源：
EPL | 2012年 / 98卷 / 01期
关键词：
HARMONIC-OSCILLATOR; PARTICLE CREATION; MASS;
D O I：
10.1209/0295-5075/98/11001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this work we investigate the quantum theory of scalar fields propagating in a D-dimensional de Sitter spacetime. The method of dynamic invariants is used to obtain the solution of the time-dependent Schrodinger equation. The quantum behavior of the scalar field in this background is analyzed, and the results generalize previous ones found in the literature. We point that the Bunch-Davies thermal bath depends on the choice of D and the conformal parameter xi. This is important in extra-dimension physics, as in the Randall-Sundrum model. Copyright (C) EPLA, 2012
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页数：4
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