摘要
在 Brans Dicke 理论框架内给出一个新的球对称真空静态精确解,并显示这解有虫洞几何( worm hole geometry) .若无量纲耦合常数ω( - 2 ≤ω≤0) 和积分常数适当地取值,则这解是双向可穿越虫洞(twoway traversable worm hole) 解.标量场起异常物质(exotic matter) 的作用,这一结果违背弱能量条件( weak energy condition) .
It is shown that a new set of exact solutions in vacuum Brans\|Dicke theory is obtained and it admits wormhole geometry.Two\|way traversable wormholes in the Brans\|Dicke theory is allowed for the coupling parameter ω(-2≤ω≤0 ) and the appropriately chosen integration constants.It also follows that the scalar field plays the role of exotic matter and this violates the weak energy condition. PACC: 0420; 9760L
出处
《物理学报》
SCIE
EI
CAS
CSCD
北大核心
1999年第11期2011-2014,共4页
Acta Physica Sinica
基金
国家自然科学基金