Entanglement detection via mutually unbiased bases
Quantum Physics
2012-08-13 v2
Abstract
We investigate correlations among complementary observables. In particular, we show how to take advantage of mutually unbiased bases (MUBs) for the efficient detection of entanglement in arbitrarily high-dimensional, multipartite and continuous variable quantum systems. The introduced entanglement criteria are relatively easy to implement experimentally since they require only a few local measurement settings. In addition, we establish a link between the separability problem and the maximum number of mutually unbiased bases -- opening a new avenue in this long-standing open problem.
Cite
@article{arxiv.1202.5058,
title = {Entanglement detection via mutually unbiased bases},
author = {Christoph Spengler and Marcus Huber and Stephen Brierley and Theodor Adaktylos and Beatrix C. Hiesmayr},
journal= {arXiv preprint arXiv:1202.5058},
year = {2012}
}
Comments
8 pages, 2 figure