Inflationary solutions and inhomogeneous Kaluza-Klein cosmology in 4+n dimensions

Details Inflationary solutions and inhomogeneous Kaluza-Klein cosmology in 4+n dimensions Inflationary solutions and inhomogeneous Kaluza-Klein cosmology in 4+n dimensions

1997-01-25

arxiv.org/abs/gr-qc/9701055v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages, RevTex

Scientific paper

We analyze the existence of inflationary solutions in an inhomogeneous Kaluza-Klein cosmological model in 4+n dimensions. It is shown that the 5-dimensional case is the exception rather than the rule, in the sense that the system is integrable (under the assumption of the equation of state $\rho= kp$) for any value of k. It is also shown that the cases k=0 and k=1/3 are integrable if and only if n=1.

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