Coish, W. A. and Loss, Daniel and Yuzbashyan, E. A. and Altshuler, B. L.. (2007) Quantum versus classical hyperfine-induced dynamics in a quantum dot. Journal of applied physics, Vol. 101, H. 8 , 081715, 5 S..
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Official URL: http://edoc.unibas.ch/dok/A5254627
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Abstract
In this article we analyze spin dynamics for electrons confined to semiconductor quantum dots due to the contact hyperfine interaction. We compare mean-field (classical) evolution of an electron spin in the presence of a nuclear field with the exact quantum evolution for the special case of uniform hyperfine coupling constants. We find that (in this special case) the zero-magnetic-field dynamics due to the mean-field approximation and quantum evolution are similar. However, in a finite magnetic field, the quantum and classical solutions agree only up to a certain time scale t
| 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 |
| Publisher: | American Institute of Physics |
| ISSN: | 0021-8979 |
| Note: | Publication type according to Uni Basel Research Database: Journal article |
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| Last Modified: | 22 Mar 2012 14:26 |
| Deposited On: | 22 Mar 2012 13:54 |
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