Giant Charge Relaxation Resistance in the Anderson Model

被引：43

作者：

Filippone, Michele ^{[1
]}

Le Hur, Karyn ^{[2
]}

Mora, Christophe ^{[1
]}

机构：

[1] Univ Paris 07, CNRS, Ecole Normale Super, Lab Pierre Aigrain, F-75005 Paris, France

[2] Yale Univ, Dept Phys & Appl Phys, New Haven, CT 06520 USA

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 107卷 / 17期

关键词：

RENORMALIZATION-GROUP APPROACH; SINGLE-ELECTRON TRANSISTOR; DILUTE MAGNETIC-ALLOYS; QUANTUM-NOISE; STATIC PROPERTIES; KONDO PROBLEM; CONDUCTORS; CIRCUIT;

D O I：

10.1103/PhysRevLett.107.176601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigate the dynamical charge response of the Anderson model viewed as a quantum RC circuit. Applying a low-energy effective Fermi liquid theory, a generalized Korringa-Shiba formula is derived at zero temperature, and the charge relaxation resistance is expressed solely in terms of static susceptibilities which are accessible by Bethe ansatz. We identify a giant charge relaxation resistance at intermediate magnetic fields related to the destruction of the Kondo singlet. The scaling properties of this peak are computed analytically in the Kondo regime. We also show that the resistance peak fades away at the particle-hole symmetric point.

引用

页数：4

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