EPL (Europhysics Letters)

EPL (Europhysics Letters)

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EPL (Europhysics Letters) Volume 83 Number 3 Create an alert RSS this journal

Y. J. Bao et al 2008 EPL 83 37007 doi:10.1209/0295-5075/83/37007

Conductance plateau in quantum spin transport through an interacting quantum dot

Y. J. Bao1, N. H. Tong2, Q. F. Sun3 and S. Q. Shen1

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Abstract References Cited By

Quantum spin transport is studied in an interacting quantum dot. It is found that a conductance "plateau" emerges in the non-linear charge conductance by a spin bias in the Kondo regime. The conductance plateau, as a complementary to the Kondo peak, originates from the strong electron correlation and exchange processes in the quantum dot, and can be regarded as one of the characteristics in quantum spin transport.


PACS

72.15.Qm Scattering mechanisms and Kondo effect

73.21.La Quantum dots

72.25.-b Spin polarized transport

Subjects

Condensed matter: electrical, magnetic and optical

Surfaces, interfaces and thin films

Nanoscale science and low-D systems

Dates

Issue 3 (August 2008)

Received 24 January 2008, accepted for publication 19 June 2008

Published 22 July 2008



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