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18 papers · 1 filter
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…
Phase separation in a boson-fermion mixture of Lithium atoms
Z. Akdeniz, P. Vignolo, A. Minguzzi +1
We use a semiclassical three-fluid model to analyze the conditions for spatial phase separation in a mixture of fermionic Li-6 and a (stable) Bose-Einstein condensate of Li-7 atoms…
Effective interactions between parallel-spin electrons in two-dimensional jellium approaching the magnetic phase transition
B. Davoudi, M. Polini, G. Sica +1
We evaluate the effective interactions in a fluid of electrons moving in a plane, on the approach to the quantum phase transition from the paramagnetic to the fully spin-polarized…
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…
Dynamic Critical Behavior of an Extended Reptation Dynamics for Self-Avoiding Walks
Sergio Caracciolo, Mauro Papinutto, Andrea Pelissetto
We consider lattice self-avoiding walks and discuss the dynamic critical behavior of two dynamics that use local and bilocal moves and generalize the usual reptation dynamics. We d…