Dynamics of toroidal spiral strings around five-dimensional black holes

被引：11
|
作者：
Igata, Takahisa [1 ]
Ishihara, Hideki [1 ]
机构：
[1] Osaka City Univ, Grad Sch Sci, Dept Math & Phys, Osaka 5588585, Japan
来源：
PHYSICAL REVIEW D | 2010年 / 81卷 / 04期
关键词：
ROTATING STRINGS; HIERARCHY;
D O I：
10.1103/PhysRevD.81.044024
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We examine the separability of the Nambu-Goto equation for test strings in a shape of toroidal spiral in a five-dimensional Kerr-AdS black hole. In particular, for a "Hopf loop'' string which is a special class of the toroidal spiral strings, we show the complete separation of variables occurs in two cases, Kerr background and Kerr-AdS background with equal angular momenta. We also obtain the dynamical solution for the Hopf loop around a black hole and for the general toroidal spiral in Minkowski background.
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页数：9
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