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arxiv cond-mat/0612293 v1 pith:W3L3SC4Z submitted 2006-12-12 cond-mat.mes-hall quant-ph

Spin-orbit induced spin-qubit control in nanowires

classification cond-mat.mes-hall quant-ph
keywords couplingnanowiresspin-orbitspin-qubitagreeanalyticconcerningcontrol
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We elaborate on a number of issues concerning our recent proposal for spin-qubit manipulation in nanowires using the spin-orbit coupling. We discuss the experimental status and describe in further detail the scheme for single-qubit rotations. We present a derivation of the effective two-qubit coupling which can be extended to higher orders in the Coulomb interaction. The analytic expression for the coupling strength is shown to agree with numerics.

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