We investigate the entanglement distribution in multi-particle systems in terms of unified (q, s)-entropy. We find that for any tripartite mixed state, the unified (q, s)-entropy entanglement of assistance follows a polygamy relation. This polygamy relation also holds in multi-particle systems. Furthermore, a generalized monogamy relation is provided for unified (q, s)-entropy entanglement in the multi-qubit system.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5430764 | PMC |
| http://dx.doi.org/10.1038/s41598-017-01286-2 | DOI Listing |
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