Non-charge degrees of freedom of electron waves in solids

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Other Title
  • 固体の電子波の非電荷自由度
  • コタイ ノ デンシハ ノ ヒデンカ ジユウド

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Abstract

<p>We describe the transfer and manipulation of non-charge quantum degrees of freedom in solid matter. In particular, we focus on the measurement and control of the phase of an electron wave function achieved by realizing a true two-path interferometer, and generation and detection of the pure valley current in bilayer graphene. Realization of the two-path interferometer opens a path to quantum electron optics, where the quantum states of traveling electrons are manipulated at the unit of a single electron or single quasi-particle. Demonstration of the pure valley current, or the valley Hall effect, is also an important step towards development of novel electronic devices, where the current of non-charge degrees of freedom plays a major role.</p>

Journal

  • Oyo Buturi

    Oyo Buturi 88 (2), 96-100, 2019-02-10

    The Japan Society of Applied Physics

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