Probing dark energy with atom interferometry

Burrage, Clare and Copeland, Edmund J. and Hinds, E. A. (2015) Probing dark energy with atom interferometry. Journal of Cosmology and Astroparticle Physics, 1503 (03). 042. ISSN 1475-7516

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Abstract

Theories of dark energy require a screening mechanism to explain why the associated scalar fields do not mediate observable long range fifth forces. The archetype of this is the chameleon field. Here we show that individual atoms are too small to screen the chameleon field inside a large high-vacuum chamber, and therefore can detect the field with high sensitivity. We derive new limits on the chameleon parameters from existing experiments, and show that most of the remaining chameleon parameter space is readily accessible using atom interferometry.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/746987
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
Identification Number: https://doi.org/10.1088/1475-7516/2015/03/042
Depositing User: Burrage, Clare
Date Deposited: 20 Apr 2017 13:01
Last Modified: 04 May 2020 17:04
URI: http://eprints.nottingham.ac.uk/id/eprint/42099

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