Testing quantum superpositions of the gravitational field with Bose-Einstein condensates
Netanel H. Lindner, Asher Peres
TL;DR
This paper proposes a method to observe quantum superpositions of gravitational fields generated by Bose-Einstein condensates, suggesting the possibility of studying quantum gravity effects at scales larger than the Planck scale.
Contribution
It introduces a theoretical framework for detecting quantum superpositions of gravity using Bose-Einstein condensates, extending quantum gravity research beyond Planck-scale phenomena.
Findings
Quantum superpositions of gravitational fields are theoretically observable.
Bose-Einstein condensates can be used to generate and detect quantum gravitational effects.
The approach opens new avenues for experimental quantum gravity research.
Abstract
We consider the gravity field of a Bose-Einstein condensate in a quantum superposition. The gravity field then is also in a quantum superposition which is in principle observable. Hence we have ``quantum gravity'' far away from the so-called Planck scale.
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