A Decomposition of Separable Werner States

Details A Decomposition of Separable Werner States A Decomposition of Separable Werner States

2007-03-26

arxiv.org/abs/quant-ph/0703240v1

J. Phys. A, 40: F483 (2007)

Physics

Quantum Physics

7 pages, 1 figures

Scientific paper

10.1088/1751-8113/40/24/F07

We derive an integral convex combination of product states for a range of separable Werner states. Our method consists of expanding the sought-after local density operators in terms of Wigner operators. For dimension d=2, our decomposition holds for the whole separable range of Werner states, while for d>2 it is valid for a subset of separable Werner states. We illustrate the general method with the explicit examples d=2 and d=3.

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