Wormhole Solutions in Modified Brans-Dicke Theory
Eleftherios Papantonopoulos, Christoforos Vlachos
TL;DR
This paper explores new wormhole solutions in a modified Brans-Dicke theory with an additional parameter, expanding the landscape of scalar-tensor gravity solutions beyond classical models.
Contribution
It introduces a modified Brans-Dicke framework with a new parameter, deriving novel spherically symmetric and wormhole solutions that generalize known results.
Findings
Discovery of wormhole solutions depending on the new parameter
Reduction to Schwarzschild solution under specific parameter choices
Extension of scalar-tensor gravity solutions beyond classical models
Abstract
We consider a modified Brans-Dicke theory in which except the usual Brans-Dicke parameter a new dimensionful parameter appears which modifies the kinetic term of the scalar field coupled to gravity. Solving the coupled Einstein-Klein-Gordon equations we find new spherically symmetric solutions. Depending on the choices of the parameters these solutions reduce to the Schwarzschild solution of General Relativity and they give new wormhole solutions which depend on the new parameter.
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