Multi-black holes and instantons in effective string theory

被引：1
|
作者：
Demelio, S
Mignemi, S
机构：
[1] Univ Cagliari, Dipartimento Sci Farmaceut, I-09124 Cagliari, Italy
[2] Univ Cagliari, Dipartimento Matemat, I-09123 Cagliari, Italy
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 1998年 / 7卷 / 01期
关键词：
D O I：
10.1142/S0218271898000073
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The effective four-dimensional action for string theory contains non-minimal couplings of the dilaton and the moduli arising from the compactification of higher dimensions. We show that the resulting field equations admit multi-black hole solutions. The Euclidean continuation of these solutions can be interpreted as an instanton mediating the splitting and recombination of the throat of extremal magnetically charged black holes.
引用
收藏
页码：73 / 80
页数：8
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