Dependence of spin dephasing on initial spin polarization in a high-mobility two-dimensional electron system

URN to cite this document:: urn:nbn:de:bvb:355-epub-77829

Stich, Dominik ; Zhou, J ; Korn, Tobias ; Schulz, Robert ; Schuh, Dieter ; Wegscheider, Werner ; Wu, M ; Schüller, Christian

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Date of publication of this fulltext: 05 Aug 2009 13:57

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Abstract

We have studied the spin dynamics of a high-mobility two-dimensional electron system in a GaAs/Al0.3Ga0.7As single quantum well by time-resolved Faraday rotation and time-resolved Kerr rotation in dependence on the initial degree of spin polarization, P, of the electrons. By increasing the initial spin polarization from the low-P regime to a significant P of several percent, we find that the spin ...