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Revista mexicana de física
Print version ISSN 0035-001X
Abstract
GONZALEZ, G.. Single-electron Faraday generator. Rev. mex. fis. [online]. 2011, vol.57, n.3, pp.232-235. ISSN 0035-001X.
In this paper I study the posibility of inducing a single-electron current by rotating a non-magnetic conducting rod with a small tunnel junction immerse in a uniform magnetic field perpendicular to the plane of motion. I show first, by using a thermodynamic approach, the conditions needed to pump electrons around the mechanical device in the Coulomb blockade regime. I then use a density matrix approach to describe the dynamics of the single-charge transport including many-body effects. The theory shows that it is possible to have single-electron tunneling (SET) oscillations at low temperatures by satisfying conditions similar to the Coulomb blockade systems.
Keywords : Coulomb blockade; SET oscillations; electromotive force; tunneling Hamiltonian.