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Singularity resolution in loop quantum cosmology: A brief overview

Abhay Ashtekar

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A brief summary of loop quantum cosmology of homogeneous isotropic models is presented for non-experts with emphasis on the origin of and subtleties associated with the resolution of big bang and big crunch singularities. For further details, and a discussion of some frequently asked questions, the reader is directed to more comprehensive recent reviews.1


PACS

98.80.Qc Quantum cosmology

95.30.Sf Relativity and gravitation

04.60.Pp Loop quantum gravity, quantum geometry, spin foams

Subjects

Gravitation and cosmology

Astrophysics and astroparticles

Dates

Issue 1 (2009)



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