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Proposal for a local heating driven spin current generator

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arxiv 1309.0366 v1 pith:RYYS5FSO submitted 2013-09-02 cond-mat.mes-hall

Proposal for a local heating driven spin current generator

classification cond-mat.mes-hall
keywords spincurrentheatinglocalmoleculeachievedapplyingarms
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We propose a two-terminal spin-orbit interferometer with a hot molecule inserted in one of its arms to generate pure spin currents. Local heating is achieved by coupling the vibrational modes of the molecule to a third (phononic) reservoir. We show that this spin calorimetric effect is due to the combined influence of spin-dependent wave interference and inelastic scattering. Remarkably, the device converts heat flow into spin-polarized current even without applying any voltage or temperature difference to the electronic terminals.

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