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- University of PaduaIT221 papers
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41 papers · 2 filters
Bayesian estimation of one-parameter qubit gates
Berihu Teklu, Stefano Olivares, Matteo G A Paris
We address estimation of one-parameter unitary gates for qubit systems and seek for optimal probes and measurements. Single- and two-qubit probes are analyzed in details focusing o…
Rising time of entanglement between scattering spins
F. Ciccarello, M. Paternostro, G. M. Palma +1
We investigate the time evolution of entanglement in a process where a mobile particle is scattered by static spins. We show that entanglement increases monotonically during a tran…
The quantum-classical transition in thermally seeded parametric downconversion
Ivo P Degiovanni, Marco Genovese, Valentina Schettini +3
We address the pair of conjugated field modes obtained from parametric-downconversion as a convenient system to analyze the quantum-classical transition in the continuous variable…
Spinor Dynamics of Quantum Accelerator Modes near Higher Order Resonances
L. Rebuzzini, I. Guarneri, R. Artuso
Quantum Accelerator Modes were discovered in experiments with Kicked Cold Atoms in the presence of gravity. They were shown to be tightly related to resonances of the Quantum Kicke…
Tripartite entanglement transfer from flying modes to localized qubits
Federico Casagrande, Alfredo Lulli, Matteo G. A. Paris
We investigate the process of entanglement transfer from a three-mode quantized field to a system of three spatially separated qubits each one made of a two-level atom resonantly c…
Semiclassical model for a memory dephasing channel
A. D'Arrigo, G. Benenti, G. Falci
We study a dephasing channel with memory, described by a Hamiltonian model in which the system-environment interaction is described by a stochastic process. We propose a useful way…