CLOSED TIME-LIKE CURVES AND THE ENERGY CONDITION IN 2+1 DIMENSIONAL GRAVITY

被引：20

作者：

MENOTTI, P

SEMINARA, D

机构：

[1] SCUOLA NORMALE SUPER PISA,I-56100 PISA,ITALY

[2] INFN,PISA,ITALY

来源：

PHYSICS LETTERS B | 1993年 / 301卷 / 01期

关键词：

D O I：

10.1016/0370-2693(93)90715-T

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider gravity in 2 + 1 dimensions in presence of extended stationary sources with rotational symmetry. We prove by direct use of Einstein's equations that if (i) the energy momentum tensor satisfies the weak energy condition, (ii) the universe is open (conical at space infinity), (iii) there are no CTCs at space infinity. then there are no CTCs at all.

引用

页码：25 / 28

页数：4

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