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Pumping charge with ac magnetic fluxes and the dynamical breakdown of Onsager symmetry
2013
Physical Review B
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We study the transport properties of setups with one and two mesoscopic rings threaded by ac magnetic fluxes of the form Φ(t)=Φ^dc + Φ^ac cos(Ω_0 t + δ) and connected to two different particle reservoirs. We analyze the conditions to generate a pumped dc current in the adiabatic regime. We also study the symmetry properties of the induced dc current as a function of the static component of the flux, Φ^dc, with and without a dc bias voltage applied at the reservoirs. We analyze, in particular,
doi:10.1103/physrevb.87.115408
fatcat:7v4wxlozk5csll2uejdlqtxdji