Tuesday, April 24, 2012

1204.5008 (Dario Bercioux et al.)

Rashba spin-orbit-interaction-based quantum pump in graphene    [PDF]

Dario Bercioux, Daniel F. Urban, Francesco Romeo, Roberta Citro
We present a proposal for an adiabatic quantum pump based on a graphene monolayer patterned by electrostatic gates and operated in the low-energy Dirac regime. The setup under investigation works in the presence of inhomogeneous spin-orbit interactions of intrinsic- and Rashba-type and allows to generate spin polarized coherent current. A local spin polarized current is induced by the pumping mechanism assisted by the spin-double refraction phenomenon.
View original: http://arxiv.org/abs/1204.5008

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