Phase-matching of multiple-cavity detectors for dark matter axion search

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Conventional axion dark matter search experiments employ cylindrical microwave cavities immersed in a solenoidal magnetic field. Exploring higher frequency regions requires smaller size cavities as the TM010 resonant frequencies scale inversely with cavity radius. One intuitive way to make efficient use of a given magnet volume, and thereby to increase the experimental sensitivity, is to bundle multiple cavities together and combine their individual outputs, ensuring a phase-matching of the coherent axion signal. We perform an extensive study for realistic design of a phase-matching mechanism for multiple-cavity systems and demonstrate its experimental feasibility using a double-cavity system.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2018-01
Language
English
Article Type
Article
Citation

ASTROPARTICLE PHYSICS, v.97, pp.33 - 37

ISSN
0927-6505
DOI
10.1016/j.astropartphys.2017.10.012
URI
http://hdl.handle.net/10203/228565
Appears in Collection
PH-Journal Papers(저널논문)
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