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On the relaxation of nuclear polarization near 2D electron gas

V I Fal'ko, S V Meshkov and I Vagner

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The authors propose a treatment of relaxation of nuclear polarization in electronically poor systems, such as heterostructures, based on the consideration of electrons as provisional spin holders but not as the spin bath. In this case the rate T1-1 of decay of polarized states of nuclei is determined by the spin-orbital electron-phonon interaction and the conductivity of the electron gas (in open systems). The developed theory can be applied to experiments on nuclear magnetic relaxation in the quantum Hall effect regime.


PACS

76.60.Es Relaxation effects

71.70.Ej Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect

71.38.-k Polarons and electron-phonon interactions

76.70.Fz Double nuclear magnetic resonance (DNMR), dynamical nuclear polarization

71.10.Ca Electron gas, Fermi gas

Subjects

Condensed matter: electrical, magnetic and optical

Dates

Issue 26 (1 July 1991)



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