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Quantum dissipative Rashba spin ratchets

Smirnov, Sergey and Bercioux, Dario and Grifoni, Milena and Richter, Klaus (2008) Quantum dissipative Rashba spin ratchets. Phys. Rev. Lett. 100, pp. 230601-1.

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Other URL: http://arxiv.org/pdf/0803.3526, http://www.nature.com/nphys/journal/v4/n8/full/nphys1047.html, http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=PRLTAO000100000023230601000001&idtype=cvips&prog=normal


We predict the possibility to generate a finite stationary spin current by applying an unbiased ac driving to a quasi-one-dimensional asymmetric periodic structure with Rashba spin-orbit interaction and strong dissipation. We show that under a finite coupling strength between the orbital degrees of freedom the electron dynamics at low temperatures exhibits a pure spin ratchet behavior, i.e. a ...


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Item Type:Article
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni
Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter
Projects:SFB 689: Spinphänomene in reduzierten Dimensionen
Subjects:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Deposited On:25 May 2009 13:18
Last Modified:16 May 2012 09:38
Item ID:7804
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