Quantum evolution of scalar fields in Robertson-Walker space-time

被引：3

作者：

Reis, HC ^{[1
]}

Eboli, OJP ^{[1
]}

机构：

[1] UNIV WISCONSIN,DEPT PHYS,MADISON,WI 53706

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 1996年 / 11卷 / 21期

关键词：

D O I：

10.1142/S0217751X96001851

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We study the lambda phi(4) field theory in a hat Robertson-Walker space-time using the functional Schrodinger picture. We introduce a simple Gaussian approximation to analyze the time evolution of pure states and we establish the renormalizability of the approximation. We also show that the energy-momentum tensor in this approximation is finite once we consider the usual mass and coupling constant renormalizations.

引用

页码：3957 / 3971

页数：15

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