Axion detection via Topological Casimir Effect
- Creators
-
Cao, ChunJun
- Zhitnitsky, Ariel
Abstract
We propose a new table-top experimental configuration for the direct detection of dark matter QCD axions in the traditional open mass window 10^(-6) eV ≲ m_a ≲ 10^(-2) eV using nonperturbative effects in a system with nontrivial spatial topology. Different from most experimental setups found in literature on direct dark matter axion detection, which relies on ˙θ or ⃗∇θ, we found that our system is in principle sensitive to a static θ ≥ 10^(-14) and can also be used to set limit on the fundamental constant θ_(QED) which becomes the fundamental observable parameter of the Maxwell system if some conditions are met. Furthermore, the proposed experiments can probe entire open mass window 10^(-6) eV ≲ m_a ≲10^(-2) eV with the same design, which should be contrasted with conventional cavity-type experiments being sensitive to a specific axion mass. Connection with Witten effect when the induced electric charge e′ is proportional to θ and the magnetic monopole becomes the dyon with nonvanishing e′ = -eθ/2π is also discussed.
Additional Information
© 2017 American Physical Society. Received 27 April 2017; published 13 July 2017. We would like to thank Sean Carroll, Stephen Hsu, Zitao Wang, and Mark Wise for helpful discussions. One of us (AZ) is thankful to Cliff Burgess, Glenn Strakman, Mark Trodden and other participants of the MITP program "Quantum Vacuum and Gravitation", Mainz, March, 2017, for very useful discussions related to the subject of the present work. AZ is also thankful to Giovanni Cantatore for long and very optimistic discussions on feasibility to experimentally test the TCE and its sensitivity to θ. This research was supported in part by the Natural Sciences and Engineering Research Council of Canada and by the Walter Burke Institute for Theoretical Physics at Caltech, by DOE grant DE-SC0011632, by the Foundational Questions Institute, by the Gordon and Betty Moore Foundation through Grant 776 to the Caltech Moore Center for Theoretical Cosmology and Physics, and by the John Simon Guggenheim Memorial Foundation.Attached Files
Published - PhysRevD.96.015013.pdf
Submitted - 1702.00012.pdf
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Additional details
- Eprint ID
- 74199
- Resolver ID
- CaltechAUTHORS:20170209-150222935
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Walter Burke Institute for Theoretical Physics, Caltech
- Department of Energy (DOE)
- DE-SC0011632
- Foundational Questions Institute (FQXI)
- Gordon and Betty Moore Foundation
- 776
- John Simon Guggenheim Memorial Foundation
- Created
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2017-02-09Created from EPrint's datestamp field
- Updated
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2021-11-11Created from EPrint's last_modified field
- Caltech groups
- Walter Burke Institute for Theoretical Physics, Moore Center for Theoretical Cosmology and Physics
- Other Numbering System Name
- CALT-TH
- Other Numbering System Identifier
- 2017-007