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

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Litvin, L. V. ; Tranitz, H.-P. ; Wegscheider, Werner ; Strunk, Christoph
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Date of publication of this fulltext: 05 Aug 2009 13:40


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 ...


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