Effect of connecting wires on the decoherence due to electron-electron interaction in a metallic ring

被引：7

作者：

Texier, Christophe ^{[1
]}

机构：

[1] Univ Paris 11, CNRS, UMR 8626, Lab Phys Theor & Modeles Stat, F-91405 Orsay, France

[2] Univ Paris 11, CNRS, UMR 8502, Phys Solides Lab, F-91405 Orsay, France

来源：

PHYSICAL REVIEW B | 2007年 / 76卷 / 15期

关键词：

D O I：

10.1103/PhysRevB.76.153312

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We consider the weak localization in a ring connected to reservoirs through leads of finite length and submitted to a magnetic field. The effect of decoherence due to electron-electron interaction on the harmonics of Al'tshuler-Aronov-Spivak [JETP Lett. 33, 94 (1981)] oscillations is studied, and more specifically the effect of the leads. Two results are obtained for short and long lead regimes. The scale at which the crossover occurs is discussed. The long lead regime is shown to be more realistic experimentally.

引用

页数：4

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