Loop quantum cosmology: A brief introduction

Document Type

Conference Proceeding

Publication Date

1-1-2011

Abstract

Quantum geometric effects, as understood in loop quantum gravity, lead to a resolution of singularities in various spacetimes in loop quantum cosmology. A generic prediction of several models investigated so far is the existence of bounce in the Planck regime. We outline the quantization procedure for the spatially flat isotropic homogeneous model with a massless scalar field, which has served as a template for the loop quantization of various models. Key properties of the bounce and physical implications are discussed.

Publication Source (Journal or Book title)

Proceedings of Science

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