Influence of electron-phonon coupling on transport through a quantum dot in the Kondo regime

被引：0

作者：

Swirkowicz, R. ^{[1
]}

Wilczynski, M. ^{[1
]}

机构：

[1] Warsaw Univ Technol, Fac Phys, PL-00662 Warsaw, Poland

来源：

PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 6, NO 9 | 2009年 / 6卷 / 09期

关键词：

D O I：

10.1002/pssc.200881764

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Transport through a quantum dot attached to nonmagnetic electrodes subject to spin bias and charge bias is studied theoretically within the non-equilibrium Green function formalism and effects of local vibrational modes are analysed. A presence of phonons strongly influences the spin and charge conductance characteristics leading to an appearance of phonon satellites apart from Kondo peaks. Superposition of the main Kondo resonances and their phonon satellites in the conductance curves corresponding to two individual spin channels can lead to a variety of peak patterns in dependence on the charge voltage applied to the system. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：2029 / 2032

页数：4

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