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

页码：1248 / 1257

页数：10

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