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The behavior of the dc-component of the current along a quantum loop oftight-binding electrons threaded by a magnetic flux that varies linearly intime Phi_M(t)= Phi t is investigated. We analize the electron transport indifferent kinds of one-dimensional structures bended into a ring geometry: aclean one-dimensional metal, a chain with a two-band structure and a disorderedchain. Inelastic scattering events are introduced through the coupling to aparticle reservoir. We use a theoretical treatment based inBaym-Kadanoff-Keldysh non-equilibrium Green functions, which allows us to solvethe problem exactly.Comment: 10 pages, 9 figures. To appear in PR

dc response of a dissipative driven mesoscopic ring