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<p>We propose an approach to directly search for light dark matter, such as the axion or the dark photon, by using magnetometry with nitrogen-vacancy centers in diamonds. If the dark matter couples to the electron spin, it affects the evolution of the Bloch vectors consisting of the spin triplet states, which may be detected through several magnetometry techniques. We give several concrete examples with the use of dc and ac magnetometry and estimate the sensitivity on dark matter couplings.</p>

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Light dark matter search with nitrogen-vacancy centers in diamonds

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月12日

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  • So Chigusa,
  • Masashi Hazumi,
  • Ernst David Herbschleb,
  • Norikazu Mizuochi,
  • Kazunori Nakayama

摘要

We propose an approach to directly search for light dark matter, such as the axion or the dark photon, by using magnetometry with nitrogen-vacancy centers in diamonds. If the dark matter couples to the electron spin, it affects the evolution of the Bloch vectors consisting of the spin triplet states, which may be detected through several magnetometry techniques. We give several concrete examples with the use of dc and ac magnetometry and estimate the sensitivity on dark matter couplings.