Phys. Rev. D 56, 1334 - 1337 (1997)Does Brans-Dicke theory always yield general relativity in the infinite ω limit? |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1984: |
N. Banerjee and S. Sen
Relativity and Cosmology Research Centre, Department of Physics, Jadavpur University, Calcutta-700032, India
Received 27 December 1996
In this work it is shown that the Brans-Dicke theory of gravity does not always go over to general relativity in the ω→α limit. It is also shown, by an order of magnitude estimate, that one can get general relativity as a limit of Brans-Dicke theory when ω→α, only if the trace of the energy-momentum tensor describing all fields other than the Brans-Dicke scalar field is nonzero.
©1997 The American Physical Society
URL: http://link.aps.org/abstract/PRD/v56/p1334
DOI: 10.1103/PhysRevD.56.1334
PACS: 04.50.+h
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