Abstract
We describe a light-pulse atom interferometer that is suitable for any species of atom and even for electrons and protons as well as their antiparticles, in particular, for testing the Einstein equivalence principle with antihydrogen. The design obviates the need for resonant lasers through far-off resonant Bragg beam splitters and makes efficient use of scarce atoms by magnetic confinement and atom recycling. We expect to reach an initial accuracy of better than 1% for the acceleration of the free fall of antihydrogen, which can be improved to the part-per million level.
- Received 12 August 2013
DOI:https://doi.org/10.1103/PhysRevLett.112.121102
© 2014 American Physical Society
Synopsis
Giving Weight to Antimatter
Published 25 March 2014
A proposed matter-wave interferometer would enable the test of the gravitational properties of antimatter.
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