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Bistability of optically induced nuclear spin orientation in quantum dots

Russell, A. and Falko, Vladimir and Tartakovskii, A. I. and Skolnick, M. S. (2007) Bistability of optically induced nuclear spin orientation in quantum dots. Physical Review B, 76 (19). ISSN 1550-235X

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Abstract

We demonstrate that bistability of the nuclear spin polarization in optically pumped semiconductor quantum dots is a general phenomenon possible in dots with a wide range of parameters. In experiment, this bistability manifests itself via the hysteresis behavior of the electron Zeeman splitting as a function of either pump power or external magnetic field. In addition, our theory predicts that the nuclear polarization can strongly influence the charge dynamics in the dot leading to bistability in the average dot charge.

Item Type: Article
Journal or Publication Title: Physical Review B
Additional Information: © 2007 The American Physical Society
Uncontrolled Keywords: RELAXATION ; GAAS ; WELLS ; POLARIZATION ; ELECTRON
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 18678
Deposited By: ep_ss_importer
Deposited On: 29 Oct 2008 10:28
Refereed?: Yes
Published?: Published
Last Modified: 09 Dec 2016 01:16
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/18678

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