Cosmological Evolution of Black Holes in Brans-Dicke Gravity
Nobuyuki Sakai, John D. Barrow
Abstract
We consider a modified ``Swiss cheese'' model in Brans-Dicke theory, and use it to discuss the evolution of black holes in an expanding universe. We define the black hole radius by the Misner-Sharp mass and find their exact time evolutions for dust and vacuum universes of all curvatures.
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