1999•Acta Physica SinicaOpen access

A NEW TWO-WAY TRAVERSABLE WORMHOLE SOLUTION FOR VACUUM BRANS-DICKE EQUATIONS

Feng He, LIU JIN-WANG, Liao Liu, (1)北京师范大学物理系，北京 100875; (2)湘潭师范学院数学系，湘潭 411100; (3)湘潭师范学院物理系，湘潭 411100

Abstract

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.

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Key concepts: Wormhole, Brans–Dicke theory, Physics, Energy condition, Scalar field, Scalar (mathematics), Vacuum energy, Coupling constant