314 citations · 425 across the 5 of their papers we have counts for
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quant-ph2011★ 27 cited
Witnessing nonclassical multipartite states
A. Saguia, C. C. Rulli, Thiago R. de Oliveira +1
We investigate a witness for nonclassical multipartite states based on their disturbance under local measurements. The witness operator provides a sufficient condition for nonclass…
quant-ph2011★ 314 cited
Global Quantum Discord in Multipartite Systems
C. C. Rulli, M. S. Sarandy
We propose a global measure for quantum correlations in multipartite systems, which is obtained by suitably recasting the quantum discord in terms of relative entropy and local von…