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Gate control of low-temperature spin dynamics in two-dimensional hole systems

Kugler, M. ; Andlauer, T. ; Korn, Tobias ; Wagner, Christoph ; Fehringer, S. ; Schulz, Robert ; Kubová, M. ; Gerl, Christian ; Schuh, Dieter ; Wegscheider, Werner ; Vogl, P. ; Schüller, Christian
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Date of publication of this fulltext: 25 Sep 2009 07:34


Abstract

We have investigated spin and carrier dynamics of resident holes in high-mobility two-dimensional hole systems in GaAs/Al0.3Ga0.7As single-quantum wells at temperatures down to 400 mK. Time-resolved Faraday and Kerr rotation as well as time-resolved photoluminescence spectroscopy are utilized in our study. We observe long-lived hole-spin dynamics that are strongly temperature dependent, ...

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