Current noise and Coulomb effects in superconducting contacts

被引：0

作者：

Galaktionov, Artem V. ^{[1
]}

Zaikin, Andrei D. ^{[1
]}

机构：

[1] PN Lebedev Phys Inst, IE Tamm Dept Theoret Phys, Moscow 119991, Russia

来源：

INTERNATIONAL CONFERENCE ON THEORETICAL PHYSICS DUBNA-NANO 2010 | 2010年 / 248卷

关键词：

JUNCTIONS;

D O I：

10.1088/1742-6596/248/1/012029

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We derive an effective action for contacts between superconducting terminals with arbitrary transmission distribution of conducting channels. In the case of normal-superconducting (NS) contacts we evaluate interaction correction to Andreev conductance and demonstrate a close relation between Coulomb effects and shot noise in these systems. In the case of superconducting (SS) contacts we derive the electron-electron interaction correction to the Josephson current. At T = 0 both corrections are found to vanish for fully transparent NS and SS contacts indicating the absence of Coulomb effects in this limit.

引用

页数：8

共 48 条

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