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Plasmon and charge quantization effects in a double-barrier quantum wire

Braggio, A. ; Grifoni, Milena ; Sassetti, Maura ; Napoli, F.


The nonlinear transport properties of a single-channel quantum wire in the presence of two impurities are investigated. Treating the electron interaction within the Luttinger model, Coulomb oscillations and Coulomb staircase phenomena are identified. Several limiting cases of transport are discussed. The regime of temperatures smaller than the discretization energy of the charge density mode in ...


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