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Decoherence in Josephson qubits
G. Falci, E. Paladino, R. Fazio
A high degree of quantum coherence is a crucial requirement for the implementation of quantum logic devices. Solid state nanodevices seem particularly promising from the point of v…
Tailoring Josephson coupling through superconductivity-induced nonequilibrium
F. Giazotto, T. T. Heikkila, F. Taddei +3
The distinctive quasiparticle distribution existing under nonequilibrium in a superconductor-insulator-normal metal-insulator-superconductor (SINIS) mesoscopic line is proposed as…
Ultra-low dissipation Josephson transistor
F. Giazotto, F. Taddei, T. T. Heikkila +2
A superconductor-normal metal-superconductor (SNS) transistor based on superconducting microcoolers is presented. The proposed 4-terminal device consists of a long SNS Josephson ju…
Dynamics of entanglement in quantum computers with imperfections
Simone Montangero, Giuliano Benenti, Rosario Fazio
The dynamics of the pairwise entanglement in a qubit lattice in the presence of static imperfections exhibits different regimes. We show that there is a transition from a perturbat…
Clauser-Horne inequality for electron counting statistics in multiterminal mesoscopic conductors
L. Faoro, F. Taddei, Rosario Fazio
In this paper we derive the Clauser-Horne (CH) inequality for the full electron counting statistics in a mesoscopic multiterminal conductor and we discuss its properties. We first…
Shot noise of a quantum dot with non-Fermi liquid correlations
A. Braggio, R. Fazio, M. Sassetti
The shot noise of a one-dimensional wire interrupted by two barriers shows interesting features related to the interplay between Coulomb blockade effects, Luttinger correlations an…