Non-Markovian dynamics of a localized electron spin due to the hyperfine interaction

Coish, W. A. and Loss, D.. (2004) Non-Markovian dynamics of a localized electron spin due to the hyperfine interaction. Hyperfine interactions, Vol. 158, H. 1-4. pp. 235-243.

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Official URL: http://edoc.unibas.ch/dok/A5254644

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We review our theoretical work oil the dynamics of a localized electron spin interacting with ail environment of nuclear Spins. Our perturbative calculation is valid for arbitrary polarization p of the nuclear spin system and arbitrary nuclear spin I in a Sufficiently large magnetic field. In general, the electron spin shows rich dynamics, described by a sum of contributions with exponential decay, nonexponential decay, and undamped oscillations. We have found ail abrupt crossover in the long-time spin dynamics at a critical shape and dimensionality of the electron envelope wave function. We conclude with a discussion of our proposed scheme to measure the relevant dynamics using a standard spin-echo technique.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Mesoscopics (Loss)
UniBasel Contributors:Loss, Daniel
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:27
Deposited On:22 Mar 2012 13:58

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