Separability Criteria from Uncertainty Relations

Details Separability Criteria from Uncertainty Relations Separability Criteria from Uncertainty Relations

2004-09-21

arxiv.org/abs/quant-ph/0409140v1

AIP Conf. Proc. 734, 230 (2004).

Physics

Quantum Physics

4 pages, 2 figures, contribution for the proceedings of QCMC 2004 in Glasgow

Scientific paper

10.1063/1.1834422

We explain several separability criteria which rely on uncertainty relations.
For the derivation of these criteria uncertainty relations in terms of
variances or entropies can be used. We investigate the strength of the
separability conditions for the case of two qubits and show how they can
improve entanglement witnesses.

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