Physics – Quantum Physics
Scientific paper
2009-02-25
Phys. Rev. A 80, 022317 (2009)
Physics
Quantum Physics
5 pages, 4 figures. Published version
Scientific paper
10.1103/PhysRevA.80.022317
We derive an explicit analytic estimate for the entanglement of a large class
of bipartite quantum states which extends into bound entanglement regions. This
is done by using an efficiently computable concurrence lower bound, which is
further employed to numerically construct a volume of $3 \times 3$ bound
entangled states.
Bae Joonwoo
Buchleitner Andreas
Hiesmayr Beatrix
Melo Fernando de
Mintert Florian
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