Gravitational decoherence: A general nonrelativistic model

We derive a general quantum master equation for the dynamics of a scalar bosonic particle interacting with a weak, stochastic and classical external gravitational field. The dynamics predicts decoherence in position, momentum and energy. We show how our master equation reproduces the results present...

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Bibliographic Details
Published in:Physical review. D 2021-05, Vol.103 (10), p.1, Article 104041
Main Authors: Asprea, L., Gasbarri, G., Bassi, A.
Format: Article
Language:English
Subjects:
Gravitational fields
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Summary:We derive a general quantum master equation for the dynamics of a scalar bosonic particle interacting with a weak, stochastic and classical external gravitational field. The dynamics predicts decoherence in position, momentum and energy. We show how our master equation reproduces the results present in the literature by taking appropriate limits, thus explaining the apparent contradiction in their dynamical description. Our result is relevant in light of the increasing interest in the low energy quantum-gravity regime.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.103.104041