The Weyl Curvature Conjecture

Details The Weyl Curvature Conjecture The Weyl Curvature Conjecture

2002-05-07

arxiv.org/abs/gr-qc/0205026v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

21 pages, 4 ps figures

Scientific paper

In this paper we review Penrose's Weyl curvature conjecture which states that the concept of gravitational entropy and the Weyl tensor is somehow linked, at least in a cosmological setting. We give a description of a certain entity constructed from the Weyl tensor, from the very early history of our universe until the present day. Inflation is an important mechanism in our early universe for homogenisation and isotropisation, and thus it must cause large effects upon the evolution of the gravitational entropy. Therefore the effects from inflationary fluids and a cosmological constant are studied in detail.

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