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
收藏
页码：251 / 260
页数：10
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