Rashba spin-orbit-interaction-based quantum pump in graphene

Details Rashba spin-orbit-interaction-based quantum pump in graphene Rashba spin-orbit-interaction-based quantum pump in graphene

2012-04-23

arxiv.org/abs/1204.5008v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages and 3 figures

Scientific paper

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.

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