On exact solutions to the scalar field equations in standard cosmology

Details On exact solutions to the scalar field equations in standard cosmology On exact solutions to the scalar field equations in standard cosmology

2008-06-13

arxiv.org/abs/0806.2292v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages, 1 figure

Scientific paper

A simple algebraic method to obtain exact solutions to the scalar field equations in spatially flat FRW cosmology is derived. The field potential fuction is reduced to two terms which can be used to determine some characteristic inflationary variables. To demonstrate the method, exact solutions resembling typical potentials of general interest are worked out. Finally, it is shown that this method of solution is also applicable to a perfect fluid in the same metric, for a curvature k>=0 and fixed gamma.

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