Decoherence and single electron charging in an electronic Mach-Zehnder interferometer

DOI to cite this document:: 10.5283/epub.12467

Litvin, Leonid ; Tranitz, Hans-Peter ; Wegscheider, Werner ; Strunk, Christoph

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Date of publication of this fulltext: 25 Jan 2010 13:44

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Abstract

We investigate the temperature and voltage dependence of the quantum interference in an electronic Mach-Zehnder interferometer using edge channels in the integer quantum-Hall regime. The amplitude of the interference fringes is significantly smaller than expected from theory; nevertheless the functional dependence of the visibility on temperature and bias voltage agrees very well with theoretical ...