Long-range Coulomb interaction and frequency dependence of shot noise in mesoscopic diffusive contacts

被引：55

作者：

Nagaev, KE ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Radioengn & Elect, Moscow 103907, Russia

来源：

PHYSICAL REVIEW B | 1998年 / 57卷 / 08期

关键词：

D O I：

10.1103/PhysRevB.57.4628

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The frequency dependence of shot noise in mesoscopic diffusive contacts is calculated with account taken of long-range Coulomb interaction and external screening. While the low-frequency noise is 1/3 of the noise of classical Poisson profess independently of the contact shape, the high-frequency noise tends to the full classical value for long and narrow contacts because of strong screening by the surrounding medium. In this case, the current fluctuations at opposite ends of the contact are completely independent. [S0163-1829(98)06407-8].

引用

页码：4628 / 4634

页数：7

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