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.
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页码：4165 / 4177
页数：13
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