{"id":12673,"date":"2025-07-21T15:41:58","date_gmt":"2025-07-21T07:41:58","guid":{"rendered":"https:\/\/www2.phy.ntnu.edu.tw\/?p=12673"},"modified":"2025-08-25T07:34:18","modified_gmt":"2025-08-24T23:34:18","slug":"114-1-seminar-1140903","status":"publish","type":"post","link":"https:\/\/www2.phy.ntnu.edu.tw\/index.php\/2025\/07\/21\/114-1-seminar-1140903\/","title":{"rendered":"114-1 SEMINAR \u6881\u6c38\u6210(\u6210\u5927\u7269\u7406)-1140903"},"content":{"rendered":"\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Time\uff1a1140903 (Wed.) 14:20~16:20 <br>Speaker\uff1aProf.<strong>\u6881\u6c38\u6210\/ Liang, Yeong-Cherng<\/strong> <br><strong>\u570b\u7acb\u6210\u529f\u5927\u5b78\u7269\u7406\u5b78\u7cfb\/Department of Physics, National Cheng Kung University<\/strong> <br>Title\uff1a<strong>From nonlocality transitivity to entanglement transitivity and more<\/strong> <br>Abstract\uff1a<br>In this seminar, I shall first recall the phenomenon of Bell-nonlocality and the related transitivity problem &#8212; a problem that concerns the possibility of inferring the Bell-nonlocality of certain marginals in a multipartite scenario based on partial information. Then, I explain how considering this problem has led to the analogous entanglement transitivity problem, a special case of what we have dubbed resource marginals problems. Surprisingly, one can always find examples of entanglement transitivity by considering the marginal density matrices of Haar-random tripartite pure states. While proving this, we have also learned that large marginals are generically entangled across all cuts. Finally, I demonstrate how examples of entanglement transitivity have led to the first quantum-realizable notion of nonlocality transitivity.\u00a0 <br>References:\u00a0 <br>Npj Quantum Inf. 8, 98 (2022)\u00a0 <br>Quantum 8, 1353 (2024)\u00a0 <br>arXiv:2412.10505\u00a0 <br>arXiv:2505.20420 <br>Place\uff1aS101, Gongguan Campus, NTNU<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Time\uff1a1140903 (Wed.) 14:20~16:20 Speaker\uff1aProf.\u6881\u6c38\u6210\/ Liang 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