Nonspinning black holes in alternative theories of gravity

被引：199

作者：

Yunes, Nicolas ^{[1
]}

Stein, Leo C.

机构：

[1] MIT, Dept Phys, Cambridge, MA 02139 USA

来源：

PHYSICAL REVIEW D | 2011年 / 83卷 / 10期

关键词：

CURVATURE STRING GRAVITY; HAIR;

D O I：

10.1103/PhysRevD.83.104002

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study two large classes of alternative theories, modifying the action through algebraic, quadratic curvature invariants coupled to scalar fields. We find one class that admits solutions that solve the vacuum Einstein equations and another that does not. In the latter, we find a deformation to the Schwarzschild metric that solves the modified field equations in the small-coupling approximation. We calculate the event horizon shift, the innermost stable circular orbit shift, and corrections to gravitational waves, mapping them to the parametrized post-Einsteinian framework.

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页数：7

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