Inflationary Cosmology Leading to a Soft Type Singularity

Understand

A remarkable property of modern cosmology is that it allows for a special case of symmetry, consisting in the possibility of describing the early-time acceleration (inflation) and the late-time acceleration using the same theoretical framework.

• In this paper we consider various cosmological models corresponding to a generalized form for the equation of state for the fluid in a flat Friedmann -Robertson-Walker universe, emphasizing cases where the so-called type IV singular inflation is encountered in the future.
• This is a soft (non-crushing) kind of singularity.
• Parameter values for an inhomogeneous equation of state leading to singular inflation are obtained.