Spin resonance in a quantum wire: Anomalous effects of an applied magnetic field
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We show that in a quantum wire the effective spin-orbit-induced internal magnetic field leads to a narrow spin-flip resonance at low temperatures in the absence of an applied magnetic field. An applied dc magnetic field perpendicular to and small compared with the spin-orbit field enhances the resonance absorption by several orders of magnitude. The component of the applied field parallel to the spin-orbit field separates the resonance frequencies of right and left movers and enables a linearly polarized ac electric field to produce a dynamic magnetization as well as electric and spin currents. 2012 American Physical Society.
author list (cited authors)
Abanov, A. r., Pokrovsky, V. L., Saslow, W. M., & Zhou, P.
complete list of authors
Abanov, Ar||Pokrovsky, VL||Saslow, WM||Zhou, P