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

Pascal Degiovanni; Charles Grenier; Gwendal Fève

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

Pascal Degiovanni ^{1, *} Charles Grenier ¹ Gwendal Fève ²

* Corresponding author

1 Phys-ENS - Laboratoire de Physique de l'ENS Lyon

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.

Keywords : ballistic transport quantum Hall effect edge states decoherence quantum optics

Document type :

Journal articles

Domain :

Physics [physics] / Condensed Matter [cond-mat] / Mesoscopic Systems and Quantum Hall Effect [cond-mat.mes-hall]

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https://hal-ens-lyon.archives-ouvertes.fr/ensl-00405112
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Submitted on : Monday, December 14, 2009 - 11:40:22 AM
Last modification on : Tuesday, November 19, 2019 - 2:37:42 AM
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Decoherence and relaxation of single electron excitations in quantum Hall edge channels.

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