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EnglishIn the general framework of d1 x d2 mixed states, we derive an explicit bound for bipartite negative partial transpose (NPT) entanglement based on the mixedness characterization of the physical system. The derived result is very general, being based only on the assumption of finite dimensionality. In addition, it turns out to be of experimental interest since some purity-measuring protocols are known. Exploiting the bound in the particular case of thermal entanglement, a way to connect thermodynamic features to the monogamy of quantum correlations is suggested, and some recent results on the subject are given a physically clear explanation.
| Data di pubblicazione: | 2020 |
| Titolo: | Bounds on mixed state entanglement |
| Autori: | |
| Citazione: | Leggio B., Napoli A., Nakazato H., & Messina A. (2020). Bounds on mixed state entanglement. ENTROPY, 22(1), 62. |
| Rivista: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.3390/e22010062 |
| Abstract: | In the general framework of d1 x d2 mixed states, we derive an explicit bound for bipartite negative partial transpose (NPT) entanglement based on the mixedness characterization of the physical system. The derived result is very general, being based only on the assumption of finite dimensionality. In addition, it turns out to be of experimental interest since some purity-measuring protocols are known. Exploiting the bound in the particular case of thermal entanglement, a way to connect thermodynamic features to the monogamy of quantum correlations is suggested, and some recent results on the subject are given a physically clear explanation. |
| URL: | https://arxiv.org/abs/1912.01997 |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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