{"id":112268,"date":"2020-08-31T17:22:33","date_gmt":"2020-09-01T00:22:33","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2020\/08\/new-evidence-for-quantum-fluctuations-near-a-quantum-critical-point-in-a-superconductor"},"modified":"2020-08-31T17:22:33","modified_gmt":"2020-09-01T00:22:33","slug":"new-evidence-for-quantum-fluctuations-near-a-quantum-critical-point-in-a-superconductor","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2020\/08\/new-evidence-for-quantum-fluctuations-near-a-quantum-critical-point-in-a-superconductor","title":{"rendered":"New evidence for quantum fluctuations near a quantum critical point in a superconductor"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/new-evidence-for-quantum-fluctuations-near-a-quantum-critical-point-in-a-superconductor2.jpg\"><\/a><\/p>\n<p>Among all the curious states of matter that can coexist in a quantum material, jostling for preeminence as temperature, electron density and other factors change, some scientists think a particularly weird juxtaposition exists at a single intersection of factors, called the quantum critical point or QCP.<\/p>\n<p>\u201cQuantum critical points are a very hot issue and interesting for many problems,\u201d says Wei-Sheng Lee, a staff scientist at the Department of Energy\u2019s SLAC National Accelerator Laboratory and investigator with the Stanford Institute for Materials and Energy Sciences (SIMES). \u201cSome suggest that they\u2019re even analogous to black holes in the sense that they are singularities\u2014point-like intersections between different states of matter in a quantum material\u2014where you can get all sorts of very strange electron behavior as you approach them.\u201d<\/p>\n<p>Lee and his collaborators reported in <i>Nature Physics<\/i> today that they have found strong evidence that QCPs and their associated fluctuations exist. They used a technique called resonant inelastic X-ray scattering (RIXS) to probe the electronic behavior of a copper oxide material, or cuprate, that conducts electricity with perfect efficiency at relatively high temperatures.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Among all the curious states of matter that can coexist in a quantum material, jostling for preeminence as temperature, electron density and other factors change, some scientists think a particularly weird juxtaposition exists at a single intersection of factors, called the quantum critical point or QCP. \u201cQuantum critical points are a very hot issue and [\u2026]<\/p>\n","protected":false},"author":589,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,1617],"tags":[],"class_list":["post-112268","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/112268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/589"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=112268"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/112268\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=112268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=112268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=112268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}