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Article overview
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Dielectric haloscopes: sensitivity to the axion dark matter velocity | Alexander J. Millar
; Javier Redondo
; Frank D. Steffen
; | Date: |
13 Jul 2017 | Abstract: | We study the effect of the axion dark matter velocity in the recently
proposed dielectric haloscopes, a promising avenue to search for well-motivated
high mass ($40-400~mu$eV) axions. We describe non-zero velocity effects for
axion-photon mixing in a magnetic field and for the phenomenon of photon
emission from interfaces between different dielectric media. As velocity
effects are only important when the haloscope is larger than about 20% of the
axion de Broglie wavelength, for the planned MADMAX experiment with 80
dielectric disks the velocity dependence can safely be neglected. However, an
augmented MADMAX or a second generation experiment would be directionally
sensitive to the axion velocity, and thus a sensitive measure of axion
astrophysics. | Source: | arXiv, 1707.4266 | Services: | Forum | Review | PDF | Favorites |
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