Past horizons in twisting algebraically special space-times

被引：0

作者：

Natorf, Wlodzimierz ^{[1
]}

机构：

[1] Charles Univ Prague, Dept Theoret Phys, Fac Math & Phys, CR-18000 Prague 8, Czech Republic

来源：

JOURNAL OF MATHEMATICAL PHYSICS | 2010年 / 51卷 / 12期

关键词：

PETROV TYPE-D; GENERAL RELATIVITY; FIELDS;

D O I：

10.1063/1.3511331

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Two equations describing past marginally trapped surfaces in twisting algebraically special space-times are obtained. One of them generalizes the equation discussed by Tod for twist-free (Robinson-Trautman) metrics. The second one is solvable under certain algebraic conditions, closely related to "m > 0" and "m(2) > a(2)" of the Kerr metric. Consequences of the existence of a null horizon are discussed. Kerr-Schild metrics admitting such horizons are shown to be of Petrov- type D. (C) 2010 American Institute of Physics. [doi:10.1063/1.3511331]

引用

页数：11

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