Primordial Entropy Production and Lambda-driven Inflation from Quantum Einstein Gravity

Details Primordial Entropy Production and Lambda-driven Inflation from Quantum Einstein Gravity Primordial Entropy Production and Lambda-driven Inflation from Quantum Einstein Gravity

2008-03-17

arxiv.org/abs/0803.2546v1

J.Phys.Conf.Ser.140:012008,2008

Astronomy and Astrophysics

Astrophysics

12 pages, 4 figures, IGCG-07 Pune

Scientific paper

10.1088/1742-6596/140/1/012008

We review recent work on renormalization group (RG) improved cosmologies based upon a RG trajectory of Quantum Einstein Gravity (QEG) with realistic parameter values. In particular we argue that QEG effects can account for the entire entropy of the present Universe in the massless sector and give rise to a phase of inflationary expansion. This phase is a pure quantum effect and requires no classical inflaton field.

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