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Adiabatic pumping in a double quantum dot structure with strong spin-orbit interaction

Source: Phys. Rev. B 80, 165311 (2009); doi:10.1103/PhysRevB.80.165311

Published 7 October 2009

KEYWORDS and PACS
Keywords
PACS
  • 72.25.-b
    Spin polarized transport
  • 71.70.Ej
    Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect (condensed matter)
  • 85.35.-p
    Nanoelectronic devices
  • YEAR: 2009
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PUBLICATION DATA
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F. Romeo1 and R. Citro1,2
1Dipartimento di Fisica “E. R. Caianiello,” and Unit CNISM, Università degli Studi di Salerno, Via S. Allende, Baronissi, I-84081 Salerno, Italy
2Laboratorio Regionale SuperMat, CNR-INFM, Università degli Studi di Salerno, Via S. Allende, Baronissi, I-84081 Salerno, Italy
We theoretically investigate the adiabatic pumping in a double quantum dot structure in the presence of strong spin-orbit interaction. Pumping single electrons through a Pauli spin-blockade configuration in the presence of a transverse magnetic field allows to probe the spin-dynamics. We discuss how the pumping efficiency could quantitatively provide evidence of the spin-orbit interaction in double dots and renders appealing its presence for qubit operations. ©2009 The American Physical Society
History: Received 16 March 2009; revised 17 July 2009; published 7 October 2009
Permalink: http://link.aps.org/abstract/PRB/v80/e165311

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