Simple model of big-crunch/big-bang transition

Details Simple model of big-crunch/big-bang transition Simple model of big-crunch/big-bang transition

2005-07-18

arxiv.org/abs/gr-qc/0507077v4

Class.Quant.Grav. 23 (2006) 2963-2978

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

17 pages, no figures, RevTeX4, accepted for publication in Class. Quantum Grav

Scientific paper

We present classical and quantum dynamics of a test particle in the compactified Milne space. Background spacetime includes one compact space dimension undergoing contraction to a point followed by expansion. Quantization consists in finding a self-adjoint representation of the algebra of particle observables. Our model offers some insight into the nature of the cosmic singularity.

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