Mesoscopic features in the transport properties of a Kondo-correlated quantum dot in a magnetic field

被引：3

作者：

Camjayi, Alberto ^{[1
]}

Arrachea, Liliana ^{[1
]}

机构：

[1] Univ Buenos Aires, Dept Fis FCEyN & IFIBA, RA-1428 Buenos Aires, DF, Argentina

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2014年 / 26卷 / 03期

关键词：

Kondo; quantum dot; transport; Monte Carlo; RENORMALIZATION-GROUP; EVEN NUMBER; MODEL;

D O I：

10.1088/0953-8984/26/3/035602

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We study the transport behavior induced by a small bias voltage through a quantum dot connected to one-channel finite-size wires. We describe the quantum dot using the Hubbard-Anderson impurity model and we obtain solutions by means of a quantum Monte Carlo method. We investigate the effect of a magnetic field applied at the quantum dot in the Kondo regime. We identify mesoscopic oscillations in the conductance, which are introduced by the magnetic field. This behavior is analogous to that observed as a function of the temperature.

引用

页数：8

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