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Black Hole Area in Brans-Dicke Theory | | Gungwon Kang
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11 Jun 1996 | | Journal: | Phys.Rev. D54 (1996) 7483-7489 | | Subject: | gr-qc hep-th | | Abstract: | We have shown that the dynamics of the scalar field $phi (x)= ``G^{-1}(x)"$ in Brans-Dicke theories of gravity makes the surface area of the black hole horizon {it oscillatory} during its dynamical evolution. It explicitly explains why the area theorem does not hold in Brans-Dicke theory. However, we show that there exists a certain non-decreasing quantity defined on the event horizon which is proportional to the black hole entropy for the case of stationary solutions in Brans-Dicke theory. Some numerical simulations have been demonstrated for Oppenheimer-Snyder collapse in Brans-Dicke theory. | | Source: | arXiv, gr-qc/9606020 | | Other source: | [GID 587983] pmid10020764 | | Services: | Forum | Review | PDF | Favorites | |
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