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Effects of Mechanical Rotation on Spin Currents

Mamoru Matsuo, Jun’ichi Ieda, Eiji Saitoh, and Sadamichi Maekawa
Phys. Rev. Lett. 106, 076601 – Published 17 February 2011

Abstract

We study the Pauli-Schrödinger equation in a uniformly rotating frame of reference to describe a coupling of spins and mechanical rotations. The explicit form of the spin-orbit interaction (SOI) with the inertial effects due to the mechanical rotation is presented. We derive equations of motion for a wave packet of electrons in two-dimensional planes subject to the SOI. The solution is a superposition of two cyclotron motions with different frequencies and a circular spin current is created by the mechanical rotation. The magnitude of the spin current is linearly proportional to the lower cyclotron frequency.

  • Figure
  • Figure
  • Received 1 August 2010

DOI:https://doi.org/10.1103/PhysRevLett.106.076601

© 2011 American Physical Society

Authors & Affiliations

Mamoru Matsuo1,2, Jun’ichi Ieda2,3, Eiji Saitoh2,3,4, and Sadamichi Maekawa2,3

  • 1Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan
  • 2The Advanced Science Research Center, Japan Atomic Energy Agency, Tokai 319-1195, Japan
  • 3CREST, Japan Science and Technology Agency, Sanbancho, Tokyo 102-0075, Japan
  • 4Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan

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Issue

Vol. 106, Iss. 7 — 18 February 2011

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