Physics – Quantum Physics
Scientific paper
2006-03-07
Physical Review A 71, 024301 (2005)
Physics
Quantum Physics
Scientific paper
10.1103/PhysRevA.71.024301
The maximally entangled mixed states of Munro, James, White, and Kwiat [Phys. Rev. A {\bf 64} (2001) 030302] are shown to exhibit interesting features vis a vis conditional entropic measures. The same happens with the Ishizaka and Hiroshima states [Phys. Rev. A {\bf 62} 022310 (2000)], whose entanglement-degree can not be increased by acting on them with logic gates. Special types of entangled states that do not violate classical entropic inequalities are seen to exist in the space of two qubits. Special meaning can be assigned to the Munro {\it et al.} special participation ratio of 1.8.
Batle J.
Casas M.
Plastino Angel R.
Plastino Angel
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