Resonant heterodyne conversion is derived and applied to a two-port haloscope cavity to enable axion searches from 0.9 to 34.6 MHz with projected reach to g_{aγ} = 10^{-15} GeV^{-1}.
Rettaroli et al
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A dc SQUID operated at the flux sweet spot with lock-in modulation yields an ultra-broadband axion search with projected sensitivity |g_aγγ| ≳ 10^{-16} GeV^{-1} across 15 orders of magnitude in mass.
Axions produced in supernovae generate a diffuse gamma-ray signal through conversion in magnetic fields, yielding competitive constraints on the axion-photon coupling from COMPTEL, EGRET, and Fermi-LAT data plus forecasts for future MeV telescopes.
Rydberg atom tweezer arrays can detect dark-photon dark matter with sensitivity to unexplored parameter space by scanning via Zeeman and diamagnetic shifts under external magnetic fields.
Resonant cavities enhance axion dark matter decay to two photons via the Purcell effect, offering a competitive search method implementable with pre-existing heterodyne detection schemes.
Photon-axion conversion near Kerr black holes produces dimming of photon spectral luminosity that increases with black hole spin, magnetic field strength, and photon-axion coupling, most efficiently at high frequencies.
citing papers explorer
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Resonant heterodyne conversion applied to a low-frequency haloscope for dark matter axion searches in the 1-35 MHz range
Resonant heterodyne conversion is derived and applied to a two-port haloscope cavity to enable axion searches from 0.9 to 34.6 MHz with projected reach to g_{aγ} = 10^{-15} GeV^{-1}.
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Lights, Camera, Axion: Tracing Axions from Supernovae in the Diffuse $\gamma$-ray Sky
Axions produced in supernovae generate a diffuse gamma-ray signal through conversion in magnetic fields, yielding competitive constraints on the axion-photon coupling from COMPTEL, EGRET, and Fermi-LAT data plus forecasts for future MeV telescopes.
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Detecting dark matter using optically trapped Rydberg atom tweezer arrays
Rydberg atom tweezer arrays can detect dark-photon dark matter with sensitivity to unexplored parameter space by scanning via Zeeman and diamagnetic shifts under external magnetic fields.
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Resonant enhancement of axion dark matter decay
Resonant cavities enhance axion dark matter decay to two photons via the Purcell effect, offering a competitive search method implementable with pre-existing heterodyne detection schemes.
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Dimming of Photon Ring due to Photon-Axion Conversion around Kerr Black Holes
Photon-axion conversion near Kerr black holes produces dimming of photon spectral luminosity that increases with black hole spin, magnetic field strength, and photon-axion coupling, most efficiently at high frequencies.