Zitterbewegung of Electron Motion in Semiconductors

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  • 半導体の電気伝導におけるZitterbewegung（ジグザグ運動）
  • 最近の研究から 半導体の電気伝導におけるZitterbewegung(ジグザグ運動)
  • サイキン ノ ケンキュウ カラ ハンドウタイ ノ デンキ デンドウ ニ オケル Zitterbewegung(ジグザグ ウンドウ)

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Abstract

<p>Progress in semiconductor nano-fabrication technique has enabled us to observe in solids not only elementary quantum mechanical phenomena like the Aharonov-Bohm effect or the quantum tunneling effect, but also undiscovered particles or phenomena in particle physics. As a matter of practice, it is impossible to observe the trembling motion of relativistic electrons, which phenomenon called Zitterbewegung (ZB). However, the observation of ZB as a solid-state phenomenon has been seriously considered. Various types of ZB have been predicted, one of which is the meandering motion of electrons in quantum wells with the Rashba-type spin-orbit interaction. In the present study, we have observed ZB in an InAs quantum well as a conductance fluctuation in a spin-polarized semi-ballistic transport provided by quantum point contact electrodes.</p>

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  • Butsuri

    Butsuri 73 (11), 776-781, 2018-11-05

    The Physical Society of Japan

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