The Coulomb Blockade in Quantum Boxes

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dc.creatorLebanon, Eran
dc.creatorSchiller, Avraham
dc.creatorAnders, Frithjof B.
dc.date2002-11-28
dc.date2003-09-04
dc.date.accessioned2026-07-07T02:48:26Z
dc.date.available2026-07-07T02:48:26Z
dc.descriptionThe charging of a quantum box connected to a lead by a single-mode point contact is solved for arbitrary temperatures, tunneling amplitudes, and gate voltages, using a variant of Wilson's numerical renormalization group. The charge inside the box and the capacitance of the junction are calculated on equal footing for all physical regimes, including weak tunneling, near perfect transmission, and the crossover regime in between. At the charge plateaus, perturbation theory is found to break down at fairly small tunneling amplitudes. Near perfect transmission, we confirm Matveev's scenario for the smearing of the Coulomb-blockade staircase. A surprising reentrance of the Coulomb-blockade staircase is found for large tunneling amplitudes. At the degeneracy points, we obtain two-channel Kondo behavior directly from the Coulomb-blockade Hamiltonian, without the restriction to two charge configurations or the introduction of an effective cutoff.
dc.descriptionPublished version
dc.identifierhttps://arxiv.org/abs/cond-mat/0211656
dc.identifierhttp://arxiv.org/abs/cond-mat/0211656
dc.identifierPhys. Rev. B 68, 041311(R) (2003)
dc.identifierdoi:10.1103/PhysRevB.68.041311
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20403
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStrongly Correlated Electrons
dc.titleThe Coulomb Blockade in Quantum Boxes
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