Nonlinear wave equations for relativity

被引:47
作者
vanPutten, MHPM
Eardley, DM
机构
[1] CORNELL UNIV, CORNELL THEORY CTR, ITHACA, NY 14853 USA
[2] UNIV CALIF SANTA BARBARA, INST THEORET PHYS, SANTA BARBARA, CA 93106 USA
关键词
D O I
10.1103/PhysRevD.53.3056
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Gravitational wave motion is described by nonlinear wave equations using the tetrad and its connection as field variables. The wave equations result from a Lorentz gauge on the connections. This description separates the physics of wave motion from the causal structure, which is evolved in the tangent space. The initial data constraints are derived in this approach using Yang-Mills scalar and vector potentials, resulting in Lie constraints associated with the additional Poincare gauge invariance. The analogy of the constraint equations with those in Ashtekar's variables is emphasized.
引用
收藏
页码:3056 / 3063
页数:8
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