Abstract

AbstractWe study the pure dephasing of two electrons confined in vertically coupled quantum dots, in which the presence of one electron confined in the double dot represents one qubit. We numerically evaluated the dephasing rates due to electrons coupling to both acoustic and optical phonons. Our numerically results show that the pure dephasing rates dependent on the separation between dots and the strength of electrons confinement. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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