Harvesting entanglement from the gravitational vacuum
T. Rick Perche, Boris Ragula, Eduardo Mart\'in-Mart\'inez
TL;DR
This paper investigates how non-relativistic quantum systems can extract entanglement from the quantum gravitational field, offering a potential experimental approach to detect quantum aspects of gravity.
Contribution
It provides a detailed model of entanglement harvesting from linearized quantum gravity and estimates its feasibility with realistic probes.
Findings
Entanglement can be harvested from the gravitational field between spacelike separated probes.
Estimated entanglement levels are potentially detectable with future experiments.
Supports the idea that gravitational quantum degrees of freedom can be experimentally probed.
Abstract
We study how quantum systems can harvest entanglement from the quantum degrees of freedom of the gravitational field. Concretely, we describe in detail the interaction of non-relativistic quantum systems with linearized quantum gravity, and explore how two spacelike separated probes can harvest entanglement from the gravitational field in this context. We provide estimates for the harvested entanglement for realistic probes which can be experimentally relevant in the future, since entanglement harvesting experiments can provide evidence for the existence of quantum degrees of freedom of gravity.
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Taxonomy
TopicsQuantum Electrodynamics and Casimir Effect · Mechanical and Optical Resonators · Experimental and Theoretical Physics Studies