A VIRIAL IDENTITY APPLIED TO RELATIVISTIC STELLAR MODELS

被引：47

作者：

BONAZZOLA, S

GOURGOULHON, E

机构：

[1] Département d'Astrophysique Relativiste et de Cosmologie (UPR 176 du CNRS), Observatoire de Paris - Section de Meudon

来源：

CLASSICAL AND QUANTUM GRAVITY | 1994年 / 11卷 / 07期

关键词：

D O I：

10.1088/0264-9381/11/7/014

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A two-dimensional integral identity is derived for a genera) asymptotically flat four-dimensional spacetime, providing a generalization of the 'virial' identity obtained by Bonazzola for the stationary axisymmetric case. It is applied to show that some spatial component of the stress-energy tensor must be positive in some (if not all) points of a static stellar model. This identity has also proved to be useful for checking numerical solutions of Einstein's equation describing rotating neutron stars.

引用

页码：1775 / 1784

页数：10

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