Shot noise in a quantum dot with the coulomb interaction

Cao X.-S.; Tan X.-Y.; Chen B.

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Shot noise in a quantum dot with the coulomb interaction

机译：Shot noise in a quantum dot with the coulomb interaction

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摘要

We study the noise in a quantum dot which is coupled to metallic leads by using the non-equation of motion technique at the Kondo temperature TK. We compute the out of equilibrium density of states, the current and the shot noise. We find that the shot noise exhibits a nonmonotonic dependence on the voltage when variation of εd values of the QD energy in the absence of the external magnetic field occurs. We also find that the amplitude of current exhibits a saturation behavior when driving field is increased.

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来源
《Solid State Communications》 |2011年第7期|514-517|共4页
作者
Cao X.-S.; Tan X.-Y.; Chen B.;
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作者单位

School of Mathematics and Physics, Changzhou University, Changzhou 213164, China;

Shaanxi Key Laboratory of Condensed Matter Structures and Properties, Northwestern Polytechnical University, Xi'an 710129, China;

School of Materials Science and Engineering, Northern Nationality University, Yinchuan 750021, China;

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原文格式 PDF
正文语种英语
中图分类固体物理学;
关键词
A. Quantum dot; D. Shot noise;

Shot noise in a quantum dot with the coulomb interaction

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