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SUMMARY:Axion Dark Matter Induced Modulation in Ferromagnetic Resonance an
 d Spin Wave Interferometry
DTSTART;VALUE=DATE-TIME:20260811T090000Z
DTEND;VALUE=DATE-TIME:20260811T092000Z
DTSTAMP;VALUE=DATE-TIME:20260824T144828Z
UID:indico-contribution-2697@indico.itp.ac.cn
DESCRIPTION:Speakers: Jiayi Liu (Beijing Institute of Technology)\nWe prop
 ose a novel asymmetric sensitive spin wave interferometer to detect ultral
 ight axion dark matter\, which modulates spin wave properties through a we
 ak effective magnetic field in ferromagnets. By splitting a spin wave sour
 ce into two paths of different lengths and setting them to interfere destr
 uctively\, the interferometer converts the axion induced phase shift into 
 a measurable magnetization oscillation\, which can radiate electromagnetic
  waves and also generate electrical signals via Faraday induction. The sig
 nal to noise ratios have been evaluated for three detection schemes: the l
 inear amplifier\, the single photon detector and the electrical signal det
 ection approach\, with both magnetization fluctuation noise and thermal no
 ise taken into account. Limited by the conditions of spin wave propagation
  distance and the relaxation time\, the accessible axion mass range is app
 roximately 10^{−8} eV to 10^{−6} eV.\n\nhttps://indico.itp.ac.cn/event
 /416/contributions/2697/
LOCATION:Conference Center (2F) Back Area
URL:https://indico.itp.ac.cn/event/416/contributions/2697/
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