{"id":1331,"date":"2006-09-11T09:23:17","date_gmt":"2006-09-11T16:23:17","guid":{"rendered":"http:\/\/dabacon.org\/pontiff\/?p=1331"},"modified":"2006-09-11T09:23:17","modified_gmt":"2006-09-11T16:23:17","slug":"entangled-superconducting-qubits","status":"publish","type":"post","link":"https:\/\/dabacon.org\/pontiff\/2006\/09\/11\/entangled-superconducting-qubits\/","title":{"rendered":"Entangled Superconducting Qubits"},"content":{"rendered":"<p>Entanglement in two superconducting qubits from UCSB: &#8220;Measurement of the Entanglement of Two Superconducting Qubits via State Tomography&#8221;  Matthias Steffen, M. Ansmann, Radoslaw C. Bialczak, N. Katz, Erik Lucero, R. McDermott, Matthew Neeley, E. M. Weig, A. N. Cleland, and John M. Martinis, Science 313, 1423 (paper <a href=\"http:\/\/www.sciencemag.org\/content\/313\/5792\/1423.abstract?maxtoshow=&amp;HITS=10&amp;hits=10&amp;RESULTFORMAT=&amp;andorexacttitleabs=and&amp;andorexactfulltext=and&amp;searchid=1&amp;FIRSTINDEX=0&amp;volume=313&amp;firstpage=1423&amp;resourcetype=HWCIT\">here<\/a>, Science magazine summary <a href=\"http:\/\/www.sciencemag.org\/content\/313\/5792\/1400.full.pdf\">here<\/a>, physics web article <a href=\"http:\/\/physicsworld.com\/\">here<\/a>)  Note that this is the first demonstration of entanglement in the sense that they have performed tomography on their states (previous results had shown level crossings consistent with entanglement of coupled superconducting circuits.)  The authors show a fidelity of 0.87 with the state they were attempting to prepare.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Entanglement in two superconducting qubits from UCSB: &#8220;Measurement of the Entanglement of Two Superconducting Qubits via State Tomography&#8221; Matthias Steffen, M. Ansmann, Radoslaw C. Bialczak, N. Katz, Erik Lucero, R. McDermott, Matthew Neeley, E. M. Weig, A. N. Cleland, and John M. Martinis, Science 313, 1423 (paper here, Science magazine summary here, physics web article &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/dabacon.org\/pontiff\/2006\/09\/11\/entangled-superconducting-qubits\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Entangled Superconducting Qubits&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[20,53,63],"tags":[],"class_list":["post-1331","post","type-post","status-publish","format-standard","hentry","category-computer-science","category-physics","category-quantum"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/posts\/1331","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/comments?post=1331"}],"version-history":[{"count":0,"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/posts\/1331\/revisions"}],"wp:attachment":[{"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/media?parent=1331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/categories?post=1331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/tags?post=1331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}