Journal
PHYSICAL REVIEW LETTERS
Volume 110, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.021803
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Funding
- NSF
- Polish TEAM Program of the Foundation for Polish Science
- Polish Ministry of Science and Higher Education within the Mobility Plus Program
- Division Of Physics
- Direct For Mathematical & Physical Scien [0969666, 1068875] Funding Source: National Science Foundation
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Stable topological defects of light (pseudo)scalar fields can contribute to the Universe's dark energy and dark matter. Currently, the combination of gravitational and cosmological constraints provides the best limits on such a possibility. We take an example of domain walls generated by an axionlike field with a coupling to the spins of standard-model particles and show that, if the galactic environment contains a network of such walls, terrestrial experiments aimed at the detection of wall-crossing events are realistic. In particular, a geographically separated but time-synchronized network of sensitive atomic magnetometers can detect a wall crossing and probe a range of model parameters currently unconstrained by astrophysical observations and gravitational experiments. DOI: 10.1103/PhysRevLett.110.021803
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