Decoherence and particle creation

Details Decoherence and particle creation Decoherence and particle creation

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvd..42.4066c&link_type=abstract

Physical Review D (Particles and Fields), Volume 42, Issue 12, 15 December 1990, pp.4066-4069

Physics

40

Scientific paper

We demonstrate the relationship between the loss of coherence between contracting and expanding histories in the wave function of the Universe and particle creation from the gravitational field. In a minisuperspace model describing a spatially closed Robertson-Walker universe plus a quantum scalar field, the wave function of the Universe will decohere if and only if the corresponding semiclassical evolution leads to particle creation.

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