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Showing 2012 · quant-phShow all
3 papers · 2 filters
quant-ph2012★ 29 cited
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…
quant-ph2012★ 43 cited
Quantum discord in the ground state of spin chains
Marcelo S. Sarandy, Thiago R. de Oliveira, Luigi Amico
The ground state of a quantum spin chain is a natural playground for investigating correlations. Nevertheless, not all correlations are genuinely of quantum nature. Here we review…
quant-ph2012★ 117 cited
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…