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Probing dark energy with atom interferometry

Burrage, Clare; Copeland, Edmund J.; Hinds, E. A.


E. A. Hinds


© 2015 IOP Publishing Ltd and Sissa Medialab srl. 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.


Burrage, C., Copeland, E. J., & Hinds, E. A. (2015). Probing dark energy with atom interferometry. Journal of Cosmology and Astroparticle Physics, 2015(3), Article 042.

Journal Article Type Article
Acceptance Date Feb 24, 2015
Publication Date Mar 24, 2015
Deposit Date Apr 20, 2017
Publicly Available Date Apr 20, 2017
Journal Journal of Cosmology and Astroparticle Physics
Electronic ISSN 1475-7516
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 2015
Issue 3
Article Number 042
Public URL
Publisher URL


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