Theory of Photon-Assisted Magnetoacoustic Resonance as a New Probe of Quadrupole Dynamics
作者: Mikito KogaMasashige Matsumoto
刊名: Journal of the Physical Society of Japan, 2020, Vol.89 (2)
来源数据库: The physical Society of Japan
DOI: 10.7566/JPSJ.89.024701
原始语种摘要: Motivated by the recent progress of phonon-mediated control in quantum spin devices, we propose a possibility of hybrid measurement using electron paramagnetic resonance (EPR) and a surface acoustic wave (SAW). Considering quadrupole-strain (QS) couplings suggested for silicon vacancies, we present a minimum model of the two-level system to investigate a magnetoacoustic resonance (MAR) coupled to various strain modes driven by the SAW. The longitudinal and transverse QS couplings can be changed by rotating a magnetic field, which depends on a combination of the strain modes. Using the Floquet theory, we elucidate each coupling effect on the time-averaged transition probability, especially focus on a single-phonon transition process. The important result is that the longitudinal QS...
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关键词翻译
关键词翻译
  • transition 转移
  • Probe 灭草定
  • coupled 耦合
  • resonance 共振
  • longitudinal 纵向的
  • angle 
  • SAW Surface Acoustic Wave
  • quadrupole 四极透镜
  • probe 探针
  • measurement 测量