Exact inflationary solutions

Details Exact inflationary solutions Exact inflationary solutions

1998-05-10

arxiv.org/abs/gr-qc/9805032v1

Int.J.Mod.Phys. D7 (1998) 443-454

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, revtex file, 6 figures included with epsf. To be published in IJMP-D

Scientific paper

10.1142/S0218271898000280

We present a new class of exact inflationary solutions for the evolution of a universe with spatial curvature, filled with a perfect fluid, a scalar field with potential $V_{\pm}(\phi)=\lambda(\phi^2\pm\delta^2)^2$ and a cosmological constant $\Lambda$. With the $V_+(\phi)$ potential and a negative cosmological constant, the scale factor experiments a graceful exit. We give a brief discussion about the physical meaning of the solutions.

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