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Nonmonotonous temperature dependence of the initial decoherence in quantum dots

Vagov, A., Axt, V., Kuhn, T., Langbein, Wolfgang Werner, Borri, Paola and Woggon, U. 2004. Nonmonotonous temperature dependence of the initial decoherence in quantum dots. Physical Review B: Condensed Matter and Materials Physics 70 (20) , 201305(R). 10.1103/PhysRevB.70.201305

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Abstract

We have analyzed the initial decoherence of strongly confined semiconductor quantum dots by performing four-wave-mixing experiments and comparing with theory. The measurements are in quantitative agreement with analytical results accounting for the pure dephasing induced by acoustic phonons. The experiments confirm the recent prediction of an unusual nonmonotonous temperature dependence of the initial decoherence time.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Publisher: American Physical Society
ISSN: 1098-0121
Last Modified: 13 May 2019 20:39
URI: http://orca.cf.ac.uk/id/eprint/48843

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