The angular momentum of the gravitational field and the Poincare group

被引：48
作者：
Maluf, J. W.
Ulhoa, S. C.
Faria, F. F.
da Rocha-Neto, J. F.
机构：
[1] Univ Brasilia, Inst Fis, BR-70919970 Brasilia, DF, Brazil
[2] Univ Fed Tocantins, BR-77330000 Arraias, TO, Brazil
来源：
CLASSICAL AND QUANTUM GRAVITY | 2006年 / 23卷 / 22期
关键词：
D O I：
10.1088/0264-9381/23/22/011
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We redefine the gravitational angular momentum in the framework of the teleparallel equivalent of general relativity. Similar to the gravitational energy momentum, the new definition for the gravitational angular momentum is coordinate independent. By considering the Poisson brackets in the phase space of the theory, we find that the gravitational energy-momentum and angular momentum correspond to a representation of the Poincare group. This result allows us to define Casimir type invariants for the gravitational field.
引用
收藏
页码：6245 / 6256
页数：12
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