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Ratchet phenomena in quantum dissipative systems with spin-orbit interactions

Smirnov, Sergey (2009) Ratchet phenomena in quantum dissipative systems with spin-orbit interactions. PhD, Universität Regensburg.

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Date of publication of this fulltext: 18 Jan 2010 14:21

Abstract (English)

For the case of moderate-to-strong quantum dissipation it is demonstrated that under electric driving the spin ratchet mechanism is present if the periodic potential of an isolated superlattice with Rashba spin-orbit interaction (RSOI) is spatially asymmetric and that the charge ratchet mechanism is absent when the electrons in the superlattice populate only one Bloch band. An in-plane ...


Translation of the abstract (German)

Für den Bereich mittelstarker bis starker Quantendissipation wird gezeigt, dass bei elektrischem Antrieb ein Spin-Ratchet-Mechanismus existieren kann. Voraussetzung dafür ist, dass das periodische Potential eines isolierten Übergitters mit Rashba-Spin-Bahn-Wechselwirkung (RSBW) räumlich asymmetrisch ist. Falls die Elektronen im Übergitter nur eines der Bloch-Bänder besetzen, gibt es dabei ...


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Item type:Thesis of the University of Regensburg (PhD)
Date:18 November 2009
Referee:Prof. Dr. Milena Grifoni
Date of exam:25 September 2009
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni
Keywords:Spin-Bahn-Wechselwirkung , Dissipation , Ratsche <Physik> , Spintronik , Quantendissipation , Rashba Spin-Bahn Wechselwirkung , spintronics , quantum dissipation , Rashba spin-orbit interaction
Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:12368
Owner only: item control page


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