Genuine multipartite entanglement detection with mutually unbiased bases (MUBs)
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866916974989148160 |
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| author | Nandi, Sumit |
| author_facet | Nandi, Sumit |
| contents | In the present paper, a novel framework to detect genuine multipartite entanglement (GME) has been presented by computing correlations in mutually unbiased bases (MUBs). It has been shown that correlation obtained by measuring in MUBs of all biseparable multipartite states satisfy a bound, whereas GME states violate it. Thus, the presented framework turns out to be a sufficient criterion to detect entanglement in many body scenario. The methodology paves a suitable way to demonstrate certification of different classes of tripartite and quadripartite GME states. In addition to its operational universality, correlation obtained by measuring in MUBs is shown to be juxtaposed with few well known genuine tripartite and quadripartite entanglement measures. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_24045 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Genuine multipartite entanglement detection with mutually unbiased bases (MUBs) Nandi, Sumit Quantum Physics In the present paper, a novel framework to detect genuine multipartite entanglement (GME) has been presented by computing correlations in mutually unbiased bases (MUBs). It has been shown that correlation obtained by measuring in MUBs of all biseparable multipartite states satisfy a bound, whereas GME states violate it. Thus, the presented framework turns out to be a sufficient criterion to detect entanglement in many body scenario. The methodology paves a suitable way to demonstrate certification of different classes of tripartite and quadripartite GME states. In addition to its operational universality, correlation obtained by measuring in MUBs is shown to be juxtaposed with few well known genuine tripartite and quadripartite entanglement measures. |
| title | Genuine multipartite entanglement detection with mutually unbiased bases (MUBs) |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2509.24045 |