Massless scalar field in Robertson-Walker space-time |
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| Authors: | S D Maharaj R Maartens A Beesham |
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| Institution: | (1) Department of Mathematics and Applied Mathematics, University of Natal, Durban, South Africa;(2) Centre for Nonlinear Studies and Department of Computational and Applied Mathematics, University of the Witwatersrand, Johannesburg, South Africa;(3) Department of Applied Mathematics, University of Zululand, Kwa-Dlangezwa, South Africa |
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| Abstract: | Recently, exact spatially-homogeneous solutions have been found for a conformally invariant massless scalar fieldS(t) coupled to a Robertson-Walker geometry. We investigate extending these solutions to inhomogeneous scalar fieldsS(t, x
l
). For an isotropic scalar fieldS(t, r) we find a solution satisfying three of the five field equations. If we use REDUCE, we show that the remaining equations forceS=S(t). |
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