Criterion for k-separability in mixed multipartite systems
arXiv:1002.2953
Abstract
Using a recently introduced framework, we derive criteria for quantum k-separability, which are very easily computed. In the case k = 2, our criteria are equally strong to the best methods known so far, while in all other cases there are currently no comparable criteria known. We also show how the criteria can be implemented experimentally.
8 pages, 2 figures
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