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Conductance plateau in quantum spin transport through an interacting quantum dot

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arxiv 0806.4818 v1 pith:ZE3ASSHL submitted 2008-06-30 cond-mat.mes-hall cond-mat.str-el

Conductance plateau in quantum spin transport through an interacting quantum dot

Yun-Juan Bao , Ning-Hua Tong , Qing-Feng Sun , Shun-Qing Shen This is my paper
classification cond-mat.mes-hall cond-mat.str-el
keywords quantumconductancespinplateautransportinteractingkondobias
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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.

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