Prediction of resonant all-electric spin pumping with spin-orbit coupling

Valentina Brosco, Markus Jerger, Pablo San-José, Gergely Zarand, Alexander Shnirman, Gerd Schön

Research output: Article

10 Citations (Scopus)

Abstract

All-electric devices for the generation and filtering of spin currents are of crucial importance for spintronics experiments and applications. Here we consider a quantum dot with spin-orbit interaction coupled to two metallic leads. After analyzing, the conditions for having nonvanishing spin currents in an adiabatically driven two-terminal device, we focus on a dot with two resonant orbitals and we show by specific examples that both spin filtering and pure spin current generation can be achieved. Finally, we discuss the effect of the Coulomb interaction.

Original languageEnglish
Article number041309
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume82
Issue number4
DOIs
Publication statusPublished - júl. 28 2010

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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