On the existence of turning points in d-dimensional Schwarzschild-de Sitter and Anti-de Sitter spacetimes

被引：1

作者：

Béssa, CHG ^{[1
]}

Lima, JAS ^{[1
]}

机构：

[1] Univ Fed Rio Grande do Norte, Dept Fis Teor & Expt, BR-59072970 Natal, RN, Brazil

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2004年 / 13卷 / 07期

关键词：

black holes; time-like geodesics; turning points; extra dimensions;

D O I：

10.1142/S0218271804005341

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate the motion of a test particle in a d-dimensional, spherically symmetric and static spacetime supported by a mass M plus a Lambda-term. The motion is strongly dependent on the sign of Lambda. In Schwarzschild-de Sitter (SdS) space-time (Lambda > 0), besides the physical singularity at r = 0 there axe cases with two horizons and two turning points, one horizon and one turning point and the complete absence of horizon and turning points. For Schwarzschild-Anti de Sitter (SAdS) spacetime (Lambda < 0) the horizon coordinate is associated to an unique turning point.

引用

页码：1217 / 1221

页数：5

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