Decoherence of Rabi oscillations of electronic spin states in a double quantum dot

Romito, Alessandro and Gefen, Yuval (2007) Decoherence of Rabi oscillations of electronic spin states in a double quantum dot. Physical Review B - Condensed Matter and Materials Physics, 76 (19). ISSN 1098-0121

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Abstract

We study the role of charge fluctuations in the decoherence of Rabi oscillations between spin states ↑↓, ↓↑ of two electrons in a double dot structure. We consider the effects of fluctuations in energy and in the quantum state of the system, both in the classical and quantum limits. The role of state fluctuations is shown to be of leading order at sufficiently high temperature, applicable to actual experiments. At low temperature, the low frequency energy fluctuations are the only dominant contribution.

Item Type:
Journal Article
Journal or Publication Title:
Physical Review B - Condensed Matter and Materials Physics
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
ID Code:
139255
Deposited By:
Deposited On:
02 Dec 2019 13:50
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 12:21