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- University of PaduaIT221 papers
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23 papers · 2 filters
Effects of classical environmental noise on entanglement and quantum discord
Claudia Benedetti, Fabrizio Buscemi, Paolo Bordone +1
We address the effect of classical noise on the dynamics of quantum correlations, entanglement and quantum discord, of two non-interacting qubits initially prepared in a Bell state…
Hidden entanglement in the presence of random telegraph dephasing noise
A. D'Arrigo, R. Lo Franco, G. Benenti +2
Entanglement dynamics of two noninteracting qubits, locally affected by random telegraph noise at pure dephasing, exhibits revivals. These revivals are not due to the action of any…
Discording power of quantum evolutions
F. Galve, F. Plastina, M. G. A. Paris +1
We introduce the discording power of a unitary transformation, which assesses its capability to produce quantum discord, and analyze in detail the generation of discord by relevant…
Vacuum local and global electromagnetic self-energies for a point-like and an extended field source
Roberto Passante, Lucia Rizzuto, Salvatore Spagnolo
We consider the electric and magnetic energy densities (or equivalently field fluctuations) in the space around a point-like field source in its ground state, after having subtract…
The balance of quantum correlations for a class of feasible tripartite continuous variable states
Stefano Olivares, Matteo G. A. Paris
We address the balance of quantum correlations for continuous variable (CV) states. In particular, we consider a class of feasible tripartite CV pure states and explicitly prove tw…
Recovering Entanglement by Local Operations
A. D'Arrigo, R. Lo Franco, G. Benenti +2
We investigate the phenomenon of bipartite entanglement revivals under purely local operations in systems subject to local and independent classical noise sources. We explain this…