{"id":12270,"date":"2022-11-27T15:42:03","date_gmt":"2022-11-27T22:42:03","guid":{"rendered":"https:\/\/BigJimIndustries.com\/wordpress\/?p=12270"},"modified":"2022-12-02T15:44:30","modified_gmt":"2022-12-02T22:44:30","slug":"cuprate-crystals","status":"publish","type":"post","link":"https:\/\/bigjimindustries.com\/wordpress\/2022\/11\/27\/cuprate-crystals\/","title":{"rendered":"Cuprate Crystals"},"content":{"rendered":"\n<p><em><a href=\"https:\/\/www.wired.com\/story\/the-high-temperature-superconductivity-mystery-is-finally-solved\/\" target=\"_blank\" rel=\"noreferrer noopener\">from WIRED<\/a><\/em><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">The High-Temperature Superconductivity Mystery Is Finally Solved<\/h1>\n\n\n\n<p>An atomic-scale experiment all but settles the origin of the strong form of superconductivity seen in cuprate crystals, confirming a 35-year-old theory.<\/p>\n\n\n\n<p>by <a href=\"https:\/\/www.wired.com\/author\/charlie-wood\" target=\"_blank\" rel=\"noreferrer noopener\">CHARLIE WOOD<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/media.wired.com\/photos\/637e03a9cfe6da8f54b1e5b9\/master\/w_1600%2Cc_limit\/Quanta-High-Temperature-Superconductivity-science-charlie1-2-3.jpeg\" alt=\"Atombyatom scans of a naturally wavy BSCCO crystal point to the origin of superconductivity in cuprates with bright pink...\"\/><figcaption class=\"wp-element-caption\">Atom-by-atom scans of a naturally wavy BSCCO crystal point to the origin of superconductivity in cuprates. In zones where electrons require more energy to hop between neighboring atoms (bright pink bands spaced 2.6 nanometers apart, left), the electrons form fewer superconducting Cooper pairs (dark bands, right). PHOTOGRAPH: WANGPING REN AND SHANE O\u2019MAHONY<\/figcaption><\/figure>\n\n\n\n<p>FOR DECADES, A&nbsp;family of crystals has stumped physicists with its baffling ability to superconduct\u2014that is, carry an electric current without any resistance\u2014at far warmer temperatures than other materials.<\/p>\n\n\n\n<p>Now, an experiment years in the making has\u00a0<a rel=\"noreferrer noopener\" href=\"https:\/\/www.pnas.org\/doi\/10.1073\/pnas.2207449119\" target=\"_blank\">directly visualized superconductivity<\/a>\u00a0on the atomic scale in one of these crystals, finally revealing the cause of the phenomenon to nearly everyone\u2019s satisfaction. Electrons appear to nudge each other into a frictionless flow in a manner first suggested by a venerable theory nearly as old as the mystery itself.<\/p>\n\n\n\n<p>\u201cThis evidence is really beautiful and direct,\u201d said&nbsp;<a href=\"http:\/\/sachdev.physics.harvard.edu\/\" target=\"_blank\" rel=\"noreferrer noopener\">Subir Sachdev<\/a>, a physicist at Harvard University who builds theories of the crystals, known as cuprates, and was not involved in the experiment.<\/p>\n\n\n\n<p>\u201cI\u2019ve worked on this problem for 25 years, and I hope I have solved it,\u201d said&nbsp;<a href=\"http:\/\/davisgroup.lassp.cornell.edu\/\" target=\"_blank\" rel=\"noreferrer noopener\">J. C. S\u00e9amus Davis<\/a>, who led the new experiment at the University of Oxford. \u201cI\u2019m absolutely thrilled.\u201d<\/p>\n\n\n\n<p>The new measurement matches a prediction based on the theory, which attributes cuprate superconductivity to a quantum phenomenon called superexchange. \u201cI\u2019m amazed by the quantitative agreement,\u201d said\u00a0<a rel=\"noreferrer noopener\" href=\"https:\/\/www.physique.usherbrooke.ca\/pages\/en\/node\/3412\" target=\"_blank\">Andr\u00e9-Marie Tremblay<\/a>, a physicist at the University of Sherbrooke in Canada and the leader of the group that made the prediction last year.<\/p>\n\n\n\n<p>[ <a href=\"https:\/\/www.wired.com\/story\/the-high-temperature-superconductivity-mystery-is-finally-solved\/\" target=\"_blank\" rel=\"noreferrer noopener\">click to continue reading at WIRED<\/a> ]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>from WIRED The High-Temperature Superconductivity Mystery Is Finally Solved An atomic-scale experiment all but settles the origin of the strong form of superconductivity seen in cuprate crystals, confirming a 35-year-old theory. by CHARLIE WOOD FOR DECADES, A&nbsp;family of crystals has stumped physicists with its baffling ability to superconduct\u2014that is, carry an electric current without any [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[8],"tags":[],"class_list":["post-12270","post","type-post","status-publish","format-standard","hentry","category-weirdness"],"_links":{"self":[{"href":"https:\/\/bigjimindustries.com\/wordpress\/wp-json\/wp\/v2\/posts\/12270","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bigjimindustries.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bigjimindustries.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bigjimindustries.com\/wordpress\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/bigjimindustries.com\/wordpress\/wp-json\/wp\/v2\/comments?post=12270"}],"version-history":[{"count":0,"href":"https:\/\/bigjimindustries.com\/wordpress\/wp-json\/wp\/v2\/posts\/12270\/revisions"}],"wp:attachment":[{"href":"https:\/\/bigjimindustries.com\/wordpress\/wp-json\/wp\/v2\/media?parent=12270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bigjimindustries.com\/wordpress\/wp-json\/wp\/v2\/categories?post=12270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bigjimindustries.com\/wordpress\/wp-json\/wp\/v2\/tags?post=12270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}