Separability conditions from the Landau-Pollak uncertainty relation

Details Separability conditions from the Landau-Pollak uncertainty relation Separability conditions from the Landau-Pollak uncertainty relation

2005-02-10

arxiv.org/abs/quant-ph/0502062v1

Phys. Rev. A 71, 052325 (2005)

Physics

Quantum Physics

20 pages

Scientific paper

10.1103/PhysRevA.71.052325

We obtain a collection of necessary (sufficient) conditions for a bipartite system of qubits to be separable (entangled), which are based on the Landau-Pollak formulation of the uncertainty principle. These conditions are tested, and compared with previously stated criteria, by applying them to states whose separability limits are already known. Our results are also extended to multipartite and higher-dimensional systems.

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