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Dresden 2009 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 37: Transport: Nanoelectronics II - Spintronics and Magnetotransport

TT 37.12: Talk

Thursday, March 26, 2009, 12:45–13:00, HSZ 105

Single electron transport in exchange-coupled spin systems — •Gerold Kiesslich, Clive Emary, and Tobias Brandes — Institut für Theoretische Physik, Technische Universität Berlin

We study a single electron transistor setup where the localized electron spin is exchange-coupled to another spin. We utilize a quantum master equation approach with the exact dynamics for the spin system in nonequilibrium and the coupling to the electronic reservoirs in Born-Markov-Secular approximation. We discuss the spin-resolved magnetotunneling properties (e..g electron counting statistics) and present a novel spin blockade effect.

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