Probing dark energy with atom interferometry
By C. Burrage, Edmund J. Copeland, E. Hinds. 2014
144 citations recorded by the source corpus.
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.
Subfields: Atomic and Molecular Physics, and Optics
View Paper: https://www.semanticscholar.org/paper/8e9ee0db4e80958bd494d3a3344cff8a20218815
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In Atomic and Molecular Physics, and Optics
Citations in the corpus
- Testing sub-gravitational forces on atoms from a miniature in-vacuum source mass (2016, background): “An atom in ultrahigh vacuum with a local miniature source mass minimizes screening and is well-suited as a test mass for such theories 8 .”