Axion search with quantum nondemolition detection of magnons
- URL: http://arxiv.org/abs/2102.08764v4
- Date: Mon, 23 May 2022 08:50:55 GMT
- Title: Axion search with quantum nondemolition detection of magnons
- Authors: Tomonori Ikeda, Asuka Ito, Kentaro Miuchi, Jiro Soda, Hisaya
Kurashige, Yutaka Shikano
- Abstract summary: The axion provides a solution for the strong CP problem and is one of the leading candidates for dark matter.
This paper proposes an axion detection scheme based on quantum nondemolition detection of magnon, i.e., quanta of collective spin excitations in solid.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: The axion provides a solution for the strong CP problem and is one of the
leading candidates for dark matter. This paper proposes an axion detection
scheme based on quantum nondemolition detection of magnon, i.e., quanta of
collective spin excitations in solid, which is expected to be excited by the
axion-electron interaction predicted by the Dine-Fischer-Srednicki-Zhitnitsky
(DFSZ) model. The prototype detector is composed of a ferrimagnetic sphere as
an electronic spin target and a superconducting qubit. Both of these are
embedded inside a microwave cavity, which leads to a coherent effective
interaction between the uniform magnetostatic mode in the ferrimagnetic crystal
and the qubit. An upper limit for the coupling constant between an axion and an
electron is obtained as $g_{aee}<2.6\times10^{-6}$ at the 95% confidence level
for the axion mass of $33.117$$\mu$eV $<m_{a}<33.130$$\mu$eV.
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