Inseparability Criterion for Continuous Variable Systems
Mar 20, 2000Published in:
- Phys.Rev.Lett. 84 (2000) 12, 2722
- Published: Mar 20, 2000
Citations per year
Abstract: (APS)
An inseparability criterion based on the total variance of a pair of Einstein-Podolsky-Rosen type operators is proposed for continuous variable systems. The criterion provides a sufficient condition for entanglement of any two-party continuous variable states. Furthermore, for all Gaussian states, this criterion turns out to be a necessary and sufficient condition for inseparability.References(17)
Figures(0)