Born-infeld-type gravity

被引：52

作者：

Comelli, D ^{[1
]}

机构：

[1] Ist Nazl Fis Nucl, Sez Ferrara, I-35131 Padua, Italy

来源：

PHYSICAL REVIEW D | 2005年 / 72卷 / 06期

关键词：

D O I：

10.1103/PhysRevD.72.064018

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Generalizations of gravitational Born-Infeld type Lagrangians are investigated. Phenomenological constraints (reduction to Einstein-Hilbert action for small curvature, spin-two ghost freedom, and absence of Coulomb-like Schwarschild singularity) select one effective Lagrangian whose dynamics is dictated by the tensors g(mu nu) and R-mu nu rho sigma (not R-mu nu or the scalar R).

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页数：8

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