Entropic Entanglement Criteria for Continuous Variables
Quantum Physics
2015-05-14 v1
Abstract
We derive several entanglement criteria for bipartite continuous variable quantum systems based on the Shannon entropy. These criteria are more sensitive than those involving only second-order moments, and are equivalent to well-known variance product tests in the case of Gaussian states. Furthermore, they involve only a pair of quadrature measurements, and will thus should prove extremely useful the experimental identification of entanglement.
Cite
@article{arxiv.0909.0147,
title = {Entropic Entanglement Criteria for Continuous Variables},
author = {S. P. Walborn and B. G. Taketani and A. Salles and F. Toscano and R. L. de Matos Filho},
journal= {arXiv preprint arXiv:0909.0147},
year = {2015}
}
Comments
4 pages, 2 figures