Year: 2012
Type: article
Abstract: In recent years, we have come to understand how the information paradox is resolved in string theory. The huge entropy [Formula: see text] of black holes is realized by an explicit set of horizon sized "fuzzball" wave functions. The wave function of a collapsing shell spreads relatively quickly over this large phase space of states, invalidating the classical black hole geometry the shell would have created. We argue that a related effect may occur in the early Universe. When matter is crushed to high densities we can access a similarly large phase space of gravitational "fuzzball" solutions. While we cannot estimate specific quantities at this point, a qualitative analysis suggests that spreading over phase space creates an extra "push" expanding the Universe to larger volumes.
Author: SAMIR D. MATHUR
Institution: The Ohio State University
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
Funder: U.S. Department of Energy
OpenAlex ID: W2128796428