Black holes and naked singularities in the low-energy limit of string gravity with a modulus field

被引：6

作者：

Alexeyev, S

Mignemi, S

机构：

[1] Moscow MV Lomonosov State Univ, Sternberg Astron Inst, Moscow 119899, Russia

[2] Univ Cagliari, Dipartmento Matemat, I-09123 Cagliari, Italy

[3] Ist Nazl Fis Nucl, Sez Cagliari, I-09042 Monserrato, Italy

来源：

CLASSICAL AND QUANTUM GRAVITY | 2001年 / 18卷 / 20期

关键词：

D O I：

10.1088/0264-9381/18/20/301

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We show that the black hole solutions of the effective string theory action, where one-loop effects that couple the moduli to gravity via a Gauss-Bonnet term are taken into account, admit primary scalar hair. The requirement of absence of naked singularities imposes an upper bound on the scalar charges.

引用

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页码：4165 / 4177

页数：13

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