Gravitation as a source of decoherence
Saurya Das, Matthew P. G. Robbins, Elias C. Vagenas
TL;DR
This paper investigates how gravity may cause decoherence in quantum systems, supporting the idea that gravity can induce classical behavior in a wide range of quantum scenarios.
Contribution
It provides a detailed analysis confirming that gravity can serve as a source of decoherence across various quantum systems and conditions.
Findings
Gravity can induce decoherence in quantum systems
The effect is valid for both relativistic and non-relativistic particles
Decoherence occurs across different temperatures and cosmological conditions
Abstract
It is believed that classical behavior emerges in a quantum system due to decoherence. It has also been proposed that gravity can be a source of this decoherence. We examine this in detail by studying a number of quantum systems, including ultra-relativistic and non-relativistic particles, at low and high temperatures in an expanding Universe, and show that this proposal is valid for a large class of quantum systems.
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