English

Quantum statistics in Bohmian trajectory gravity

General Physics 2019-09-27 v1

Abstract

The recent experimental proposals by Bose et al. and Marletto et al. (BMV) outline a way to test for the quantum nature of gravity by measuring gravitationally induced differential phase accumulation over the superposed paths of two 10^-14kg masses. These authors outline the expected outcome of these experiments for semi-classical, quantum gravity and collapse models. It is found that both semi-classical and collapse models predict a lack of entanglement in the experimental results. This work predicts the outcome of the BMV experiment in Bohmian trajectory gravity - where classical gravity is assumed to couple to the particle configuration in each Bohmian path, as opposed to semi-classical gravity where gravity couples to the expectation value of the wave function, or of quantized gravity, where the gravitational field is itself in a quantum superposition. In the case of the BMV experiment, Bohmian trajectory gravity predicts that there will be quantum entanglement. This is surprising as the gravitational field is treated classically. A discussion of how Bohmian trajectory gravity can induce quantum entanglement for a non-superposed gravitational field is put forward.

Keywords

Cite

@article{arxiv.1909.12088,
  title  = {Quantum statistics in Bohmian trajectory gravity},
  author = {Thomas Andersen},
  journal= {arXiv preprint arXiv:1909.12088},
  year   = {2019}
}

Comments

8 pages, 1 figure, from a talk given at DICE2018

R2 v1 2026-06-23T11:26:52.530Z