Gravitational decoherence: A general nonrelativistic model
L. Asprea, Giulio Gasbarri, Angelo Bassi
Abstract
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.
Topics & Concepts
Quantum decoherencePhysicsMaster equationClassical mechanicsQuantum gravityQuantumQuantum dynamicsScalar fieldGravitational fieldQuantum mechanicsCosmology and Gravitation TheoriesPulsars and Gravitational Waves ResearchNoncommutative and Quantum Gravity Theories