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- Sapienza University of RomeIT416 papers
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19 papers · 2 filters
Quantum simulation of bosonic-fermionic non-interacting particles in disordered systems via quantum walk
Francesco De Nicola, Linda Sansoni, Andrea Crespi +6
We report on the theoretical analysis of bosonic and fermionic non-interacting systems in a discrete two-particle quantum walk affected by different kinds of disorder. We considere…
Experimental linear-optics simulation of the ground state of an interacting quantum spin-ring
Adeline Orieux, Joelle Boutari, Marco Barbieri +2
Critical phenomena involve a structural change in the correlations of its constituents. These features can be employed in quantum simulators to assess when a criticality occurred i…
Efficient experimental validation of photonic boson sampling against the uniform distribution
N. Spagnolo, C. Vitelli, M. Bentivegna +10
A boson sampling device is a specialised quantum computer that solves a problem which is strongly believed to be computationally hard for classical computers. Recently a number of…
Classical and quantum capacities of a fully correlated amplitude damping channel
A. D'Arrigo, G. Benenti, G. Falci +1
We study information transmission over a fully correlated amplitude damping channel acting on two qubits. We derive the single-shot classical channel capacity and show that entangl…
Floquet bound states in the continuum
Stefano Longhi, Giuseppe Della Valle
Quantum mechanics predicts that certain stationary potentials can sustain bound states with an energy buried in the continuous spectrum of scattered states, the so-called bound sta…
Effective cutting of a quantum spin chain by bond impurities
T. J. G. Apollaro, F. Plastina, L. Banchi +4
Spin chains are promising media for short-haul quantum communication. Their usefulness is manifested in all those situations where stationary information carriers are involved. In…