Development of a circular polarized microwave cavity and microwave Hall effect measurements

ORAL

Abstract

A microwave cavity has been used for electron spin/ferromagnetic resonance and surface impedance measurements in condensed matter physics. More recently, it has also been a powerful tool in qubit control and the study of cavity quantum electrodynamics (cavity QED).

In this study, we have developed the high-Q microwave dielectric cavity, which can generate circularly polarized eigenmodes. It can maintain a high-Q value even in a high magnetic field, and the circular dichroism allows us to evaluate the conductivity susceptibility and impedance tensor, including the off-diagonal term. In this talk, we will present our developed cavity and the results of Hall effect measurements in the microwave region by surface impedance tensor measurements.

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Presenters

  • Masaki Roppongi

    University of Tokyo

Authors

  • Masaki Roppongi

    University of Tokyo

  • Tomonori Arakawa

    National Institute of Advanced Industrial Science and Technology

  • Yuto Yoshino

    University of Tokyo

  • Yuto Kinoshita

    The Institute for Solid-State Physics, University of Tokyo

  • Masashi Tokunaga

    The Institute for Solid-State Physics, University of Tokyo, The University of Tokyo, University of Tokyo, ISSP

  • Kenichiro Hashimoto

    The University of Tokyo, Dept. of Adv. Mater. Sci., Univ. of Tokyo, U. Tokyo, Univ. of Tokyo, University of Tokyo

  • Takasada Shibauchi

    University of Tokyo, Dept. of Adv. Mater. Sci., Univ. of Tokyo