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Optimal quantum pump in the presence of a superconducting lead | | Baigeng Wang
; Jian Wang
; | | Date: |
20 Jul 2002 | | Journal: | Phys. Reb. B Vol.66, 201305 (2002). | | Subject: | cond-mat | | Abstract: | We investigate the parametric pumping of a hybrid structure consisting of a normal quantum dot, a normal lead and a superconducting lead. Using the time dependent scattering matrix theory, we have derived a general expression for the pumped electric current and heat current. We have also derived the relationship among the instantaneous pumped heat current, electric current, and shot noise. This gives a lower bound for the pumped heat current in the hybrid system similar to that of the normal case obtained by Avron et al. | | Source: | arXiv, cond-mat/0207495 | | Services: | Forum | Review | PDF | Favorites | |
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