{"id":550,"date":"2024-08-14T08:00:36","date_gmt":"2024-08-14T00:00:36","guid":{"rendered":"http:\/\/cmli.es.ncku.edu.tw\/?p=550"},"modified":"2025-09-18T22:47:24","modified_gmt":"2025-09-18T14:47:24","slug":"%e9%87%8f%e5%ad%90%e7%b6%b2%e8%b7%af%e4%b8%ad%e5%a4%9a%e5%85%89%e5%ad%90%e7%b3%be%e7%ba%8f%e4%b9%8b%e7%a2%ba%e8%aa%8d-%e7%a0%94%e7%a9%b6%e6%88%90%e6%9e%9c%e5%b7%b2%e7%99%bc%e8%a1%a8%e6%96%bc-npg-q","status":"publish","type":"post","link":"http:\/\/cmli.es.ncku.edu.tw\/?p=550","title":{"rendered":"[2024\/08\/14]\u201c\u91cf\u5b50\u7db2\u8def\u4e2d\u591a\u5149\u5b50\u7cfe\u7e8f\u4e4b\u78ba\u8a8d\u201d \u7814\u7a76\u6210\u679c\u5df2\u767c\u8868\u65bc npj Quantum Information  [The research result of the study on \u201cScalable Determination of Multipartite Entanglement in Quantum Networks\u201d has been accepted and published in npj Quantum Information]"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"550\" class=\"elementor elementor-550\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-403e2fc e-con-boxed e-flex e-con\" data-id=\"403e2fc\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c01e674 e-con-boxed e-flex e-con\" data-id=\"c01e674\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6df0b98 elementor-widget elementor-widget-image\" data-id=\"6df0b98\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.13.3 - 28-05-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"423\" src=\"http:\/\/cmli.es.ncku.edu.tw\/wp-content\/uploads\/2023\/11\/\u91cf\u5b50\u7db2\u8def\u4e2d\u591a\u5149\u5b50\u7cfe\u7e8f\u4e4b\u78ba\u8a8d_1-768x423.jpg\" class=\"attachment-medium_large size-medium_large wp-image-242\" alt=\"\" srcset=\"http:\/\/cmli.es.ncku.edu.tw\/wp-content\/uploads\/2023\/11\/\u91cf\u5b50\u7db2\u8def\u4e2d\u591a\u5149\u5b50\u7cfe\u7e8f\u4e4b\u78ba\u8a8d_1-768x423.jpg 768w, http:\/\/cmli.es.ncku.edu.tw\/wp-content\/uploads\/2023\/11\/\u91cf\u5b50\u7db2\u8def\u4e2d\u591a\u5149\u5b50\u7cfe\u7e8f\u4e4b\u78ba\u8a8d_1-scaled-600x330.jpg 600w, http:\/\/cmli.es.ncku.edu.tw\/wp-content\/uploads\/2023\/11\/\u91cf\u5b50\u7db2\u8def\u4e2d\u591a\u5149\u5b50\u7cfe\u7e8f\u4e4b\u78ba\u8a8d_1-300x165.jpg 300w, http:\/\/cmli.es.ncku.edu.tw\/wp-content\/uploads\/2023\/11\/\u91cf\u5b50\u7db2\u8def\u4e2d\u591a\u5149\u5b50\u7cfe\u7e8f\u4e4b\u78ba\u8a8d_1-1024x563.jpg 1024w, http:\/\/cmli.es.ncku.edu.tw\/wp-content\/uploads\/2023\/11\/\u91cf\u5b50\u7db2\u8def\u4e2d\u591a\u5149\u5b50\u7cfe\u7e8f\u4e4b\u78ba\u8a8d_1-1536x845.jpg 1536w, http:\/\/cmli.es.ncku.edu.tw\/wp-content\/uploads\/2023\/11\/\u91cf\u5b50\u7db2\u8def\u4e2d\u591a\u5149\u5b50\u7cfe\u7e8f\u4e4b\u78ba\u8a8d_1-2048x1127.jpg 2048w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" loading=\"lazy\" \/ loading=\"lazy\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6dacd6f elementor-widget elementor-widget-text-editor\" data-id=\"6dacd6f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.13.3 - 28-05-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>\u6211\u5011\u63d0\u51fa\u4e86\u300c\u900f\u904e\u5075\u6e2c\u771f\u6b63\u7684 N \u7bc0\u9ede Einstein-Podolsky-Rosen \u91cf\u5b50\u53ef\u64cd\u7e31\u6027\u300d\u4f86\u5be6\u73fe\u91cf\u5b50\u7db2\u8def\u7684\u4fdd\u771f\u5ea6\u548c\u771f\u6b63\u7684\u591a\u7bc0\u9ede\u7cfe\u7e8f\u7684\u78ba\u8a8d\uff0c\u4e26\u4e14\u5728\u4e0d\u53d7\u4fe1\u4efb\u7684\u661f\u5f62\u7db2\u8def\u4e2d\uff0c\u78ba\u5b9a\u91cf\u5b50\u7db2\u8def\u4fdd\u771f\u5ea6\u548c\u771f\u6b63\u7684 N \u7bc0\u9ede\u7cfe\u7e8f\u50c5\u9700\u8981 N+1 \u7d44\u6e2c\u91cf\u3002\u5be6\u9a57\u4e0a\uff0c\u6211\u5011\u4f7f\u7528\u5149\u5b78\u88dd\u7f6e\u6f14\u793a\u4e86\u771f\u6b63\u7684 3 \u5149\u5b50\u548c 4 \u5149\u5b50\u91cf\u5b50\u7db2\u8def\u7684\u78ba\u8a8d\uff0c\u4ee5\u53ca\u5ee3\u6cdb\u4f7f\u7528\u7684\u7cfe\u7e8f\u76ee\u64ca\u7684\u8aa4\u5831\uff0c\u5373 1\/2 \u7684\u4fdd\u771f\u5ea6\u6a19\u6e96\u3002\u6211\u5011\u671f\u671b\u900f\u904e\u9032\u4e00\u6b65\u7684\u7814\u7a76\uff0c\u8a72\u65b9\u6cd5\u53ef\u4ee5\u64f4\u5c55\u5230\u5176\u4ed6\u985e\u578b\u7684\u7db2\u8def\u62d3\u64b2\u4ee5\u9069\u7528\u65bc\u901a\u7528\u7684\u91cf\u5b50\u7db2\u8def\u3002<\/p><p>\u6709\u95dc\u8a72\u7814\u7a76\u8207\u6210\u679c\u7684\u66f4\u591a\u53c3\u8003\u8cc7\u6599\u53ca\u8cc7\u8a0a\uff0c\u8acb\u53c3\u95b1\uff1a<br \/>(1)Research\u4e2d\u300c\u5be6\u9a57\u7cfe\u7e8f\u5149\u5b50\u8207\u591a\u5149\u5b50\u7cfe\u7e8f\u7684\u7522\u751f\u8207\u8b58\u5225\u300d\u7684\u4ecb\u7d39\uff1a<a href=\"http:\/\/cmli.es.ncku.edu.tw\/?page_id=18\" target=\"_blank\" rel=\"noopener\">http:\/\/cmli.es.ncku.edu.tw\/?page_id=18<\/a><br \/>(2)npj Quantum Information\u671f\u520a\u520a\u8f09\u9801\u9762\uff1a<a href=\"https:\/\/doi.org\/10.1038\/s41534-024-00867-0\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1038\/s41534-024-00867-0<\/a><br \/>(3)npj Quantum Information\u671f\u520a\u8ad6\u6587\u5168\u6587\uff1a<a href=\"https:\/\/rdcu.be\/dQl58\" target=\"_blank\" rel=\"noopener\">https:\/\/rdcu.be\/dQl58<\/a><\/p><p>Our results provide a network determination method to determine quantum network fidelity and genuine multi-node entanglement, which is enabled by detecting genuine N-node Einstein-Podolsky-Rosen steerability, and such determination in an untrusted star network requires only N + 1 measurement settings. Experimentally, we use optical setups to demonstrate the determinations of genuine 3-photon and 4-photon quantum networks and the false positives of the widely used entanglement witness with the fidelity criterion of 1\/2. We expect our method could be extended to other types of network topology for generic quantum internet with further studies.<\/p><p>For more information and reference, please visit:<br \/>(1)Section of &#8220;Scalable determination of multipartite entanglement in quantum networks&#8221; in our Research page: <a href=\"http:\/\/cmli.es.ncku.edu.tw\/?page_id=18\" target=\"_blank\" rel=\"noopener\">http:\/\/cmli.es.ncku.edu.tw\/?page_id=18<\/a><br \/>(2)Our article online npj Quantum Information: <a href=\"https:\/\/doi.org\/10.1038\/s41534-024-00867-0\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1038\/s41534-024-00867-0<\/a><br \/>(3)Full-text open access to our paper: <a href=\"https:\/\/rdcu.be\/dQl58\" target=\"_blank\" rel=\"noopener\">https:\/\/rdcu.be\/dQl58<\/a><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u6211\u5011\u63d0\u51fa\u4e86\u300c\u900f\u904e\u5075\u6e2c\u771f\u6b63\u7684 N \u7bc0\u9ede Einstein-Podolsky-Rosen \u91cf\u5b50\u53ef\u64cd\u7e31\u6027\u300d\u4f86\u5be6\u73fe\u91cf\u5b50<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[3],"tags":[],"class_list":["post-550","post","type-post","status-publish","format-standard","hentry","category-research-output"],"_links":{"self":[{"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=\/wp\/v2\/posts\/550","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=550"}],"version-history":[{"count":26,"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=\/wp\/v2\/posts\/550\/revisions"}],"predecessor-version":[{"id":1290,"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=\/wp\/v2\/posts\/550\/revisions\/1290"}],"wp:attachment":[{"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=550"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/cmli.es.ncku.edu.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}