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Implementation of the Deutsch-Jozsa algorithm with Josephson charge qubits
Jens Siewert, Rosario Fazio
We investigate the realization of a simple solid-state quantum computer by implementing the Deutsch-Jozsa algorithm in a system of Josephson charge qubits. Starting from a procedur…
Glassy dynamics of Josephon arrays on a dice lattice
Vittorio Cataudella, Rosario Fazio
In this Letter we study the phase diagram and the approach to the equilibrium of Josephson junction arrays on a dice lattice for two different values of the magnetic frustration ($…
Positive cross-correlations induced by ferromagnetic contacts
Fabio Taddei, Rosario Fazio
Due to the Fermionic nature of carriers, correlations between electric currents flowing through two different contacts attached to a conductor present a negative sign. Possibility…
Counting statistics for entangled electrons
Fabio Taddei, Rosario Fazio
The counting statistics (CS) for charges passing through a coherent conductor is the most general quantity that characterizes electronic transport. CS not only depends on the trans…
Thermoelectric effects in Kondo correlated quantum dots
Daniel Boese, Rosario Fazio
In this Letter we study thermoelectric effects in ultra small quantum dots. We study the behaviour of the thermopower, Peltier coefficient and thermal conductance both in the seque…
Macroscopic entanglement in Josephson nanocircuits
Francesco Plastina, Rosario Fazio, G. Massimo Palma
We propose a scheme to generate and detect entanglement between charge states in superconducting nanocircuits. We discuss different procedures to discriminate such entanglement fro…