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5 papers · 2 filters
Experimental analysis of decoherence of quantumness in a continuous variables bi-partite entangled system
D. Buono, G. Nocerino, A. Porzio +1
Quantum properties are soon subject to decoherence once the quantum system interacts with the classical environment. In this paper we experimentally test how propagation losses, in…
Quantifying nonclassicality: global impact of local unitary evolutions
S. M. Giampaolo, A. Streltsov, W. Roga +2
We show that only those composite quantum systems possessing nonvanishing quantum correlations have the property that any nontrivial local unitary evolution changes their global st…
Entropic trade-off relations for quantum operations
Wojciech Roga, Zbigniew Puchała, Łukasz Rudnicki +1
Spectral properties of an arbitrary matrix can be characterized by the entropy of its rescaled singular values. Any quantum operation can be described by the associated dynamical m…
Entanglement replication in driven-dissipative many body systems
S. Zippilli, M. Paternostro, G. Adesso +1
We study the dissipative dynamics of two independent arrays of many-body systems, locally driven by a common entangled field. We show that in the steady state the entanglement of t…
Bipartite entanglement in systems of identical particles: the partial transposition criterion
F. Benatti, R. Floreanini, U. Marzolino
We study bipartite entanglement in systems of N identical bosons distributed in M different modes. For such systems, a definition of separability not related to any a priori Hilber…