{"id":63249,"date":"2026-01-27T20:46:09","date_gmt":"2026-01-27T09:46:09","guid":{"rendered":"https:\/\/www.tomgrimshaw.com\/tomsblog\/?p=63249"},"modified":"2026-01-27T20:46:09","modified_gmt":"2026-01-27T09:46:09","slug":"graphene","status":"publish","type":"post","link":"https:\/\/www.tomgrimshaw.com\/tomsblog\/?p=63249","title":{"rendered":"Graphene"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-63250\" src=\"https:\/\/www.tomgrimshaw.com\/tomsblog\/wp-content\/uploads\/2026\/01\/Graphene.jpg\" alt=\"Graphene\" width=\"512\" height=\"640\" srcset=\"https:\/\/www.tomgrimshaw.com\/tomsblog\/wp-content\/uploads\/2026\/01\/Graphene.jpg 512w, https:\/\/www.tomgrimshaw.com\/tomsblog\/wp-content\/uploads\/2026\/01\/Graphene-240x300.jpg 240w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/p>\n<p>Electrons in graphene have done something physicists thought was impossible. They were seen flowing like a nearly perfect quantum liquid; one so strange, it defies the rules taught in physics textbooks for over a century.<\/p>\n<p>This happened at a critical point in graphene called the Dirac point. At that moment, the material isn\u2019t quite a metal, nor an insulator; and inside it, electrons stop acting like individual particles. They move together, like water. Only smoother.<\/p>\n<p>Researchers measured a viscosity so low, it\u2019s closer to the early-universe plasma created in particle colliders than anything we see in solid matter.<\/p>\n<p>But the real shock? Heat and electric charge went their separate ways.<\/p>\n<p>In every ordinary metal, heat and electricity flow together, following a rule known as the Wiedemann-Franz law. But in graphene\u2019s quantum fluid, that law completely breaks down. The researchers saw the biggest violation ever measured: more than 200 times off the expected value.<\/p>\n<p>That makes graphene more than a material. It\u2019s a window into the quantum universe. A single sheet of carbon atoms, one layer thick, behaving like a testbed for black hole physics, quark-gluon plasma, and quantum entanglement. Things once thought untouchable outside particle accelerators or astrophysics.<\/p>\n<p>And there may be practical uses, too. This kind of ultra-clean, ultra-responsive quantum behavior could power a new generation of sensors that detect vanishingly small electrical or magnetic signals.<\/p>\n<p>Read the study:<br \/>\n&#8220;Universality in quantum critical flow of charge and heat in ultraclean graphene.&#8221; Nature Physics, 13 August 2025<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Electrons in graphene have done something physicists thought was impossible. They were seen flowing like a nearly perfect quantum liquid; one so strange, it defies the rules taught in physics textbooks for over a century. This happened at a critical point in graphene called the Dirac point. At that moment, the material isn\u2019t quite a &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.tomgrimshaw.com\/tomsblog\/?p=63249\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Graphene&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-63249","post","type-post","status-publish","format-standard","hentry","category-general-interest"],"_links":{"self":[{"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/posts\/63249","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=63249"}],"version-history":[{"count":1,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/posts\/63249\/revisions"}],"predecessor-version":[{"id":63251,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=\/wp\/v2\/posts\/63249\/revisions\/63251"}],"wp:attachment":[{"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=63249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=63249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tomgrimshaw.com\/tomsblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=63249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}