Dynamic self-polarization of nuclei in low-dimensional systems |
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Authors: | V L Korenev |
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Affiliation: | (1) A. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, 194021 St. Petersburg, Russia |
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Abstract: | A mechanism of dynamic self-polarization of nuclei is studied which is weakly temperature-dependent and operates efficiently
in low-dimensional systems (quantum wells, quantum dots). It is due to the hyperfine interaction of nuclei with excitons whose
spin polarization is artificially maintained at zero (by illuminating with unpolarized light) but for which nonequilibrium
alignment occurs. Nuclear self-polarization arises as a result of the conversion of the alignment of excitons into nuclear
orientation in the effective magnetic field of the polarized nuclei.
Pis’ma Zh. éksp. Teor. Fiz. 70, No. 2, 124–129 (25 July 1999) |
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Keywords: | |
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