Static spherically symmetric solutions in F(R) gravity

被引：141
作者：
Sebastiani, L. [1 ,2 ]
Zerbini, S. [1 ,2 ]
机构：
[1] Univ Trento, Dipartimento Fis, Trento, Italy
[2] Ist Nazl Fis Nucl, Grp Collegato Trento, Sez Padova, Padua, Italy
来源：
EUROPEAN PHYSICAL JOURNAL C | 2011年 / 71卷 / 03期
关键词：
BLACK-HOLE ENTROPY; HAWKING RADIATION;
D O I：
10.1140/epjc/s10052-011-1591-8
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
A Lagrangian derivation of the Equations of Motion (EOM) for static spherically symmetric metrics in F(R) modified gravity is presented. For a large class of metrics, our approach permits one to reduce the EOM to a single equation and we show how it is possible to construct exact solutions in F(R)-gravity. All known exact solutions are recovered. We also exhibit a new non-trivial solution with non-constant Ricci scalar.
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页数：5
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