SYMMETRIES OF THE EINSTEIN EQUATIONS

被引：40

作者：

TORRE, CG ^{[1
]}

ANDERSON, IM ^{[1
]}

机构：

[1] UTAH STATE UNIV,DEPT MATH & STAT,LOGAN,UT 84322

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 70卷 / 23期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.70.3525

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We classify all generalized symmetries of the vacuum Einstein equations in four spacetime dimensions. They consist of constant scalings of the metric and of the infinitesimal action of generalized spacetime diffeomorphisms. Our results rule out a large class of possible ''observables'' for the gravitational field, and suggest that the vacuum Einstein equations are not integrable.

引用

页码：3525 / 3529

页数：5

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