“School of Physic”
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| Paper IPM / Physic / 6532 |
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| Abstract: | |||||
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We present a class of exact cosmological solutions of Brans-Dicke
(B-D) equations with cosmological constant in flat
Robertson-Walker metric. These solutions are based on the relation
ϕRn= constant between the B-D field and the scale factor
of the universe. This relation turns out to be consistent with the
equation of state p=mρ for the cosmic matter, provided that
n and m are suitably related to each other. Several
special cases and asymptotic solutions are derived and discussed.
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