Pumping Currents from Applying a Microwave Field and a Magnetic Field to a Quantum Dot
The evolution operator approach is applied to studying photon-electron pumping effects on a quantum dot connected to two magnetic leads in the presence of both via-dot and over-dot tunneling channels. It is found that a microwave field applied to the quantum dot may give rise to charge and spin pumping at zero bias voltage for asymmetric magnetic junctions.
Qi Luo and Yuanzhi Wang
Y. Q. Zhou et al., "Pumping Currents from Applying a Microwave Field and a Magnetic Field to a Quantum Dot", Advanced Materials Research, Vols. 181-182, pp. 993-997, 2011