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General immunity and superadditivity of two-way Gaussian quantum cryptography
We consider two-way continuous-variable quantum key distribution, studying its security against general eavesdropping strategies. Assuming the asymptotic limit of many signals exchanged, we prove that two-way Gaussian protocols are immune to coherent attacks. More precisely we show the general super...
| Autores principales: | , |
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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/PMC4772010/ https://www.ncbi.nlm.nih.gov/pubmed/26928053 http://dx.doi.org/10.1038/srep22225 |