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Zeeman ratchets for ballistic spin currents

Scheid, Matthias and Wimmer, Michael and Bercioux, Dario and Richter, Klaus (2006) Zeeman ratchets for ballistic spin currents. physica status solidi (c) 3 (12), pp. 4235-4238.

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Other URL: http://www3.interscience.wiley.com/cgi-bin/abstract/114075525/ABSTRACT


Abstract

We investigate the possiblity of creating directed spin-polarized currents in a two-dimensional electron gas (2DEG) subject to an asymmetric magnetic field and an external adiabatic driving. We thereby generalize concepts of quantum charge ratchets to the case with spin. Due to the Zeeman term in the Hamiltonian, spin-up and -down electrons experience different effective potentials, which can be ...

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Item Type:Article
Date:2006
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter
Projects:SFB 689: Spinphänomene in reduzierten Dimensionen
Identification Number:
ValueType
cond-mat/0607380arXiv ID
Related URLs:
URLURL Type
http://lanl.arxiv.org/pdf/cond-mat/0607380Preprint
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Timo Hartmann
Deposited On:20 Mar 2007
Last Modified:13 Mar 2014 10:07
Item ID:1844
Owner Only: item control page
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