Loss of coherence from discrete quantum gravity

Details Loss of coherence from discrete quantum gravity Loss of coherence from discrete quantum gravity

2003-05-27

arxiv.org/abs/gr-qc/0305098v3

Class.Quant.Grav. 21 (2004) L51-L57

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, no figures, small final changes, to appear in Class. Quan. Grav

Scientific paper

10.1088/0264-9381/21/8/L01

We show that a recent proposal for the quantization of gravity based on discrete space-time implies a modification of standard quantum mechanics that naturally leads to a loss of coherence in quantum states of the type discussed by Milburn. The proposal overcomes the energy conservation problem of previously proposed decoherence mechanisms stemming from quantum gravity. Mesoscopic quantum systems (as Bose--Einstein condensates) appear as the most promising testing grounds for an experimental verification of the mechanism.

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