A cosmic shadow on CSL
Quantum Physics
2021-01-15 v4 Cosmology and Nongalactic Astrophysics
General Relativity and Quantum Cosmology
High Energy Physics - Theory
Abstract
The Continuous Spontaneous Localisation (CSL) model solves the measurement problem of standard quantum mechanics, by coupling the mass density of a quantum system to a white-noise field. Since the mass density is not uniquely defined in general relativity, this model is ambiguous when applied to cosmology. We however show that most natural choices of the density contrast already make current measurements of the cosmic microwave background incompatible with other laboratory experiments.
Cite
@article{arxiv.1906.04405,
title = {A cosmic shadow on CSL},
author = {Jerome Martin and Vincent Vennin},
journal= {arXiv preprint arXiv:1906.04405},
year = {2021}
}
Comments
Minor typo in equation (52) corrected (other results unchanged)