Massless scalar field in Robertson-Walker space-time

S. D. Maharaj; R. Maartens; A. Beesham

doi:10.1007/BF00659358

Massless scalar field in Robertson-Walker space-time

S. D. Maharaj^*, R. Maartens, A. Beesham

^*Corresponding author for this work

Institute of Cosmology & Gravitation

Research output: Contribution to journal › Article › peer-review

Abstract

Recently, exact spatially-homogeneous solutions have been found for a conformally invariant massless scalar field S(t) coupled to a Robertson-Walker geometry. We investigate extending these solutions to inhomogeneous scalar fields S(t, x^l). For an isotropic scalar field S(t, r) we find a solution satisfying three of the five field equations. If we use REDUCE, we show that the remaining equations force S=S(t).

Original language	English
Pages (from-to)	329-333
Number of pages	5
Journal	Astrophysics and Space Science
Volume	167
Issue number	2
DOIs	https://doi.org/10.1007/BF00659358
Publication status	Published - 1 May 1990

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title = "Massless scalar field in Robertson-Walker space-time",

abstract = "Recently, exact spatially-homogeneous solutions have been found for a conformally invariant massless scalar field S(t) coupled to a Robertson-Walker geometry. We investigate extending these solutions to inhomogeneous scalar fields S(t, xl). For an isotropic scalar field S(t, r) we find a solution satisfying three of the five field equations. If we use REDUCE, we show that the remaining equations force S=S(t).",

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AU - Maharaj, S. D.

AU - Maartens, R.

AU - Beesham, A.

PY - 1990/5/1

Y1 - 1990/5/1

N2 - Recently, exact spatially-homogeneous solutions have been found for a conformally invariant massless scalar field S(t) coupled to a Robertson-Walker geometry. We investigate extending these solutions to inhomogeneous scalar fields S(t, xl). For an isotropic scalar field S(t, r) we find a solution satisfying three of the five field equations. If we use REDUCE, we show that the remaining equations force S=S(t).

AB - Recently, exact spatially-homogeneous solutions have been found for a conformally invariant massless scalar field S(t) coupled to a Robertson-Walker geometry. We investigate extending these solutions to inhomogeneous scalar fields S(t, xl). For an isotropic scalar field S(t, r) we find a solution satisfying three of the five field equations. If we use REDUCE, we show that the remaining equations force S=S(t).

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DO - 10.1007/BF00659358

M3 - Article

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SN - 0004-640X

VL - 167

SP - 329

EP - 333

JO - Astrophysics and Space Science

JF - Astrophysics and Space Science

IS - 2

ER -

Massless scalar field in Robertson-Walker space-time

Abstract

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