Nonequilibrium dephasing in an electronic Mach-Zehnder interferometer

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We study nonequilibrium dephasing in an electronic Mach-Zehnder interferometer. We demonstrate that the shot noise at the beam splitter of the interferometer generates an ensemble of nonequilibrium electron density configurations and that electron interactions induce configuration-specific phase shifts of an interfering electron. The resulting dephasing exhibits two characteristic features, a lobe pattern in the visibility and phase jumps of pi, in good agreement with experimental data.
Publisher
AMER PHYSICAL SOC
Issue Date
2008-05
Language
English
Article Type
Article
Keywords

GAUSSIAN SHOT-NOISE

Citation

PHYSICAL REVIEW LETTERS, v.100, no.19

ISSN
0031-9007
DOI
10.1103/PhysRevLett.100.196807
URI
http://hdl.handle.net/10203/20377
Appears in Collection
PH-Journal Papers(저널논문)
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