Decoherence and relaxation of single electron excitations in quantum Hall edge channels

Abstract

A unified approach to decoherence and relaxation of energy resolved single electron excitations in Integer Quantum Hall edge channels is presented. Within the bosonization framework, relaxation and decoherence induced by interactions and capacitive coupling to an external linear circuit are computed. An explicit connexion with high frequency transport properties of a two terminal device formed by the edge channel on one side and the linear circuit on the other side is established.

4 pages, 3 figures

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• An On-Demand Coherent Single Electron Source
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• Dephasing in the electronic Mach-Zehnder interferometer at filling factor 2
• Shot noise of a mesoscopic two-particle collider
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• Decoherence and interactions in an electronic Mach-Zehnder interferometer
• Noise dephasing in the edge states of the Integer Quantum Hall regime
• Quantum detection of electronic flying qubits
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• Real time decoherence of Landau and Levitov quasi-particles in quantum Hall edge channels
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• Plasmon scattering approach to energy exchange and high frequency noise in nu=2 quantum Hall edge channels
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• Fractionalization of minimal excitations in integer quantum Hall edge channels
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• Taming electronic decoherence in 1D chiral ballistic quantum conductors
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