Gravitational fields and nonlinear σ-models

被引：3

作者：

Cortez, J ^{[1
]}

Núñez, D ^{[1
]}

Quevedo, H ^{[1
]}

机构：

[1] Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico

来源：

INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2001年 / 40卷 / 01期

关键词：

D O I：

10.1023/A:1003799730909

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

It is shown that different types of gravitational fields can be analyzed as nonlinear sigma -models. We show that the Einstein-Hilbert action for stationary aximmetric fields, Einstein-Rosen gravitational wave, and Gowdy cosmological models can be expressed in terms of a Lagrangian density for the SL(2, R)/SO(2) sigma -model. We discuss the possibility of using these results to quantize gravitational fields.

引用

页码：251 / 260

页数：10

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