Vacuum Averages of the Energy-Momentum Tensor of a Scalar Field in Homogeneous Spaces with a Conformal Metric

被引：2
|
作者：
Breev, A. I. [1 ,2 ]
Kozlov, A. V. [1 ]
机构：
[1] Natl Res Tomsk State Univ, Tomsk, Russia
[2] Natl Res Tomsk State Univ, Tomsk, Russia
来源：
RUSSIAN PHYSICS JOURNAL | 2016年 / 58卷 / 09期
关键词：
method of noncommutative integration; Robertson-Walker metric; polarization of the vacuum; POLARIZATION;
D O I：
10.1007/s11182-016-0639-5
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Within the framework of the method of orbits, expressions have been obtained for the vacuum averages of the energy-momentum tensor of a scalar field with an arbitrary coupling constant in a spacetime with a nonstationary metric of Robertson-Walker type, where space is a homogeneous Riemannian manifold. It is shown that the vacuum averages of the energy-momentum tensor are determined by the complete set of solutions of the reduced equation with a smaller number of independent variables and with algebraic characteristics of homogeneous space.
引用
收藏
页码：1248 / 1257
页数：10
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