Distillability and partial transposition in bipartite systems

Details Distillability and partial transposition in bipartite systems Distillability and partial transposition in bipartite systems

1999-10-06

arxiv.org/abs/quant-ph/9910022v1

Phys. Rev. A 61, 062313 (2000)

Physics

Quantum Physics

8 pages, 1 figure

Scientific paper

10.1103/PhysRevA.61.062313

We study the distillability of a certain class of bipartite density operators
which can be obtained via depolarization starting from an arbitrary one. Our
results suggest that non-positivity of the partial transpose of a density
operator is not a sufficient condition for distillability, when the dimension
of both subsystems is higher than two.

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