Explicit analytic solutions of classical scalar field cosmology

Rocha, T.M.; Figueiredo, A.; Brenig, L.; Gunzig, E.; Faraoni, V.

doi:10.1023/A:1003606101618

Explicit analytic solutions of classical scalar field cosmology

T.M. Rocha
(
- Brasilia U. and
- Brussels U. and
- Intl. Solvay Inst., Brussels
)
,
A. Figueiredo
(
- Brasilia U. and
- Brussels U. and
- Intl. Solvay Inst., Brussels
)
,
L. Brenig
(
- Brasilia U. and
- Brussels U. and
- Intl. Solvay Inst., Brussels
)
,
E. Gunzig
(
- Brasilia U. and
- Brussels U. and
- Intl. Solvay Inst., Brussels
)
,
V. Faraoni
(
- Brasilia U. and
- Brussels U. and
- Intl. Solvay Inst., Brussels
)

2000

29 pages

Published in:

Int.J.Theor.Phys. 39 (2000) 1933-1961

DOI:

10.1023/A:1003606101618

View in:

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Abstract: (Springer)

A class of explicit and exact solutions is obtained for the equations governingthe evolution of spatially flat FLRW spacetimes in interaction with a classicalmassive scalar field in the presence of conformal coupling and of a quarticself-interaction potential. These solutions only exist for nonvanishing cosmologicalconstant. The equation of state is calculated self-consistently.

cosmological model
field theory: scalar
field theory: classical
massive
coupling: conformal
space-time: Robertson-Walker
differential equations: nonlinear
integrability
thermodynamics
numerical calculations

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