Quantification of entanglement via uncertainties

Abstract

We show that entanglement of pure multi-party states can be quantified by means of quantum uncertainties of certain basic observables through the use of measure that has been initially proposed in [10] for bipartite systems.

Changed content, references added 7 pages, no figures, PRA in press

References in corpus (4)

• On the geometry of four qubit invariants
• Measurable entanglement
• Hypothesis testing for an entangled state produced by spontaneous parametric down conversion
• General entanglement

Cited by in corpus (13)

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• Understanding entanglement sudden death through multipartite entanglement and quantum correlations
• Multipartite Entanglement Criterion from Uncertainty Relations
• Generalized Coherent States as Preferred States of Open Quantum Systems
• On entanglement in neutrino mixing and oscillations
• Generalized Purity and Quantum Phase Transition for Bose-Einstein condensates in a Symmetric Double Well
• Coherent control of phase diffusion in a Bosonic Josephson junction by scattering length modulation
• Entanglement conditions for tripartite systems via indeterminacy relations
• Preservation of dynamics in coupled cavity system using second order nonlinearity