EFFECT OF THE ELECTROMAGNETIC ENVIRONMENT ON THE COULOMB BLOCKADE IN ULTRASMALL TUNNEL-JUNCTIONS

被引：463

作者：

DEVORET, MH ^{[1
]}

ESTEVE, D ^{[1
]}

GRABERT, H ^{[1
]}

INGOLD, GL ^{[1
]}

POTHIER, H ^{[1
]}

URBINA, C ^{[1
]}

机构：

[1] UNIV ESSEN GESAMTHSCH,FACHBEREICH PHYS,W-4300 ESSEN 1,GERMANY

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 15期

关键词：

D O I：

10.1103/PhysRevLett.64.1824

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The current-voltage characteristic of an ultrasmall tunnel junction is calculated for arbitrary frequency dependence of the impedance presented to the junction by its electromagnetic environment. It is shown that the Coulomb blockade of tunneling is washed out by quantum fluctuations of the charge on the junction capacitor except for ultrahigh impedance environments. Two simple cases where the environment can be treated as an inductor or resistor are examined in detail. Effects of finite temperatures are discussed. © 1990 The American Physical Society.

引用

页码：1824 / 1827

页数：4

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