{"id":64342,"date":"2024-12-30T12:00:00","date_gmt":"2024-12-30T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/une-avancee-vers-les-supersolides"},"modified":"2024-12-31T02:05:50","modified_gmt":"2024-12-31T02:05:50","slug":"une-avancee-vers-les-supersolides","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-avancee-vers-les-supersolides","title":{"rendered":"Une avanc\u00e9e vers les supersolides"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Senegal. <\/strong><\/span>Un supersolide est a\u0300 la fois rigide et liquide, comme le chat de Schro\u0308dinger est a\u0300 la fois vivant et mort\u201d, re\u0301sume Francesca Ferlaino, de l\u2019universite\u0301 d\u2019Innsbruck (Autriche). Avec son e\u0301quipe, elle vient de faire un pas important vers cet e\u0301tat quantique de la matie\u0300re, reste\u0301 longtemps the\u0301orique, qui combine la rigidite\u0301 cristalline d\u2019un solide et l\u2019e\u0301coulement sans viscosite\u0301, synonyme de superfluidite\u0301.<\/p>\n<p><b>Astrophysique et supraconductivite\u0301<\/b><\/p>\n<p>L\u2019agencement cristallin du co\u0302te\u0301 \u201csolide\u201d avait de\u0301ja\u0300 e\u0301te\u0301 observe\u0301. En revanche, les proprie\u0301te\u0301s superfluides, plus difficiles a\u0300 mettre en e\u0301vidence, manquaient a\u0300 l\u2019appel. Les chercheurs ont re\u0301ussi a\u0300 en montrer une: des vortex quantiques, des tourbillons te\u0301moignant d\u2019un e\u0301coulement sans friction. Ils ont pu les observer dans un gaz quantique forme\u0301 de dysprosium refroidi pre\u0300s du 0 absolu (-273,15 \u00b0C), et mis en rotation gra\u0302ce a\u0300 un champ magne\u0301tique.<\/p>\n<p>Les implications de cette de\u0301couverte vont de l\u2019astrophysique \u2013 un tel e\u0301tat de la matie\u0300re pourrait se trouver dans les e\u0301toiles a\u0300 neutrons par exemple -, jusqu\u2019a\u0300 l\u2019e\u0301tude d\u2019autres e\u0301tats quantiques remarquables, comme la supraconductivite\u0301.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">Senegal<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Senegal. Un supersolide est a\u0300 la fois rigide et liquide, comme le chat de Schro\u0308dinger est a\u0300 la fois vivant et mort\u201d, re\u0301sume Francesca Ferlaino, de l\u2019universite\u0301 d\u2019Innsbruck (Autriche). Avec son e\u0301quipe, elle vient de faire un pas important vers cet e\u0301tat quantique de la matie\u0300re, reste\u0301 longtemps the\u0301orique, qui combine la rigidite\u0301 [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":64341,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-64342","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Une avanc\u00e9e vers les supersolides - Senegal<\/title>\n<meta name=\"description\" content=\"Un supersolide est a\u0300 la fois rigide et liquide, comme le chat de Schro\u0308dinger est a\u0300 la fois vivant et mort\u201d, re\u0301sume F ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-avancee-vers-les-supersolides\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Une avanc\u00e9e vers les supersolides\" \/>\n<meta property=\"og:description\" content=\"Un supersolide est a\u0300 la fois rigide et liquide, comme le chat de Schro\u0308dinger est a\u0300 la fois vivant et mort\u201d, re\u0301sume F ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-avancee-vers-les-supersolides\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2024-12-30T12:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-12-31T02:05:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2024\/12\/sm_1735639074.353236.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-avancee-vers-les-supersolides#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-avancee-vers-les-supersolides\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Une avanc\u00e9e vers les supersolides\",\"datePublished\":\"2024-12-30T12:00:00+00:00\",\"dateModified\":\"2024-12-31T02:05:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-avancee-vers-les-supersolides\"},\"wordCount\":224,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-avancee-vers-les-supersolides#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2024\/12\/sm_1735639074.353236.jpg\",\"keywords\":[\"Senegal\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-avancee-vers-les-supersolides#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-avancee-vers-les-supersolides\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/une-avancee-vers-les-supersolides\",\"name\":\"Une avanc\u00e9e vers les supersolides - 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