Geometric entanglement witnesses and bound entanglement

Details Geometric entanglement witnesses and bound entanglement Geometric entanglement witnesses and bound entanglement

2007-10-05

arxiv.org/abs/0710.1184v2

Phys. Rev. A 77, 024303 (2008)

Physics

Quantum Physics

8 pages, 3 figures

Scientific paper

10.1103/PhysRevA.77.024303

We study entanglement witnesses that can be constructed with regard to the geometrical structure of the Hilbert-Schmidt space, i.e. we present how to use these witnesses in the context of quantifying entanglement and the detection of bound entangled states. We give examples for a particular three-parameter family of states that are part of the \emph{magic simplex} of two-qutrit states.

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