A new traversable wormhole solution in vacuum Brans-Dicke theory

被引：3
|
作者：
He, F [1 ]
Liu, L
机构：
[1] Xiangtan Teachers Coll, Dept Phys, Xiangtan 411100, Peoples R China
[2] Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 1999年 / 16卷 / 06期
关键词：
D O I：
10.1088/0256-307X/16/6/002
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A new set of exact solutions in vacuum Brans-Dicke theory is obtained, which is a two-way traversable wormhole for the coupling parameter omega (omega < -2). This new set of exact solutions satisfies not only the general constraints on the shape function b(R) and the redshift function Phi(R) given by Morris and Thorne [Am. J. Phys. 56 (1988) 395], but also the constraints on them from a trip through wormhole. It also follows that the scalar field phi plays a role of exotic matter violating the weak energy condition.
引用
收藏
页码：394 / 396
页数：3
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