Decoherence and relaxation of a single electron in a one-dimensional conductor

被引：52

作者：

Marguerite, A. ^{[1
]}

Cabart, C. ^{[1
,2
]}

Wahl, C. ^{[3
]}

Roussel, B. ^{[2
]}

Freulon, V. ^{[1
]}

Ferraro, D. ^{[2
,3
]}

Grenier, Ch. ^{[2
]}

Berroir, J. -M. ^{[1
]}

Placais, B. ^{[1
]}

Jonckheere, T. ^{[3
]}

Rech, J. ^{[3
]}

Martin, T. ^{[3
]}

Degiovanni, P. ^{[2
]}

Cavanna, A. ^{[4
]}

Jin, Y. ^{[4
]}

Feve, G. ^{[1
]}

机构：

[1] Univ Paris Diderot, Sorbonne Univ, Univ Paris 06,CNRS,Sorbonne Paris Cite, Lab Pierre Aigrain,Ecole Normale Super,PSL Res Un, 24 Rue Lhomond, F-75231 Paris 05, France

[2] Univ Lyon 1, Ens Lyon, CNRS, Phys Lab, F-69342 Lyon, France

[3] Univ Toulon & Var, Aix Marseille Univ, CNRS, CPT, Marseille, France

[4] Univ Paris Saclay, Univ Paris 11, Ctr Nanosci & Nanotechnol, CNRS,Marcoussis C2N, F-91460 Marcoussis, France

来源：

PHYSICAL REVIEW B | 2016年 / 94卷 / 11期

基金：

欧洲研究理事会;

关键词：

CHARGE FRACTIONALIZATION; INDEPENDENT SOURCES; QUANTUM; INTERFEROMETER; INTERFERENCE; SEPARATION; SYSTEM;

D O I：

10.1103/PhysRevB.94.115311

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We study the decoherence and relaxation of a single elementary electronic excitation propagating in a one-dimensional chiral conductor. Using two-particle interferences in the electronic analog of the Hong-Ou-Mandel experiment, we analyze quantitatively the decoherence scenario of a single electron propagating along a quantum Hall edge channel at filling factor 2. The decoherence results from the emergence of collective neutral excitations induced by Coulomb interaction and leading, in one dimension, to the destruction of the elementary quasiparticle. This study establishes the relevance of electron quantum optics setups to provide stringent tests of strong interaction effects in one-dimensional conductors described by the Luttinger liquids paradigm.

引用

页数：9

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