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Witnesses of causal nonseparability: an introduction and a few case studies
It was recently realised that quantum theory allows for so-called causally nonseparable processes, which are incompatible with any definite causal order. This was first suggested on a rather abstract level by the formalism of process matrices, an extension of the quantum formalism which only assumes...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Nature Publishing Group
2016
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4870702/ https://www.ncbi.nlm.nih.gov/pubmed/27188962 http://dx.doi.org/10.1038/srep26018 |