Signs and Cosmology

Abstract

Using a new effective action predicted from quantum gravity where the sign of the Euclidean Einstein action is reversed we discuss WKB solutions in quantum cosmology and predict that this sign change might explain the origin of phantom scalars.

8 pages, Received Honourable Mention in the "Gravity Research Foundation" Essay Competition 2012

References in corpus (2)

• Can the dark energy equation-of-state parameter w be less than -1?
• The gravitational path integral and trace of the diffeomorphisms