{"id":66651,"date":"2024-12-29T18:08:43","date_gmt":"2024-12-29T18:08:43","guid":{"rendered":"https:\/\/www.africa-press.net\/centrafricaine\/politique\/une-avancee-vers-les-supersolides"},"modified":"2024-12-29T18:17:20","modified_gmt":"2024-12-29T18:17:20","slug":"une-avancee-vers-les-supersolides","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/centrafricaine\/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; CentrAfricaine. <\/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\u00a0\u00bb, re\u0301sume Francesca Ferlaino, de l&rsquo;universite\u0301 d&rsquo;Innsbruck (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&rsquo;un solide et l&rsquo;e\u0301coulement sans viscosite\u0301, synonyme de superfluidite\u0301.<\/p>\n<p><b>Astrophysique et supraconductivite\u0301<\/b><\/p>\n<p>L&rsquo;agencement cristallin du co\u0302te\u0301 \u00ab\u00a0solide\u00a0\u00bb 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&rsquo;appel. Les chercheurs ont re\u0301ussi a\u0300 en montrer une: des vortex quantiques, des tourbillons te\u0301moignant d&rsquo;un 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&rsquo;astrophysique &#8211; un tel e\u0301tat de la matie\u0300re pourrait se trouver dans les e\u0301toiles a\u0300 neutrons par exemple -, jusqu&rsquo;a\u0300 l&rsquo;e\u0301tude d&rsquo;autres 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\">CentrAfricaine<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; CentrAfricaine. Un supersolide est a\u0300 la fois rigide et liquide, comme le chat de Schro\u0308dinger est a\u0300 la fois vivant et mort\u00a0\u00bb, re\u0301sume Francesca Ferlaino, de l&rsquo;universite\u0301 d&rsquo;Innsbruck (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":66650,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[30],"class_list":["post-66651","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-centrafricaine"],"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 - centrafricaine<\/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&quot;, 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\/centrafricaine\/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&quot;, re\u0301sume F ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/centrafricaine\/toutes-les-actualites\/une-avancee-vers-les-supersolides\" \/>\n<meta property=\"og:site_name\" content=\"centrafricaine\" \/>\n<meta property=\"article:published_time\" content=\"2024-12-29T18:08:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-12-29T18:17:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/centrafricaine\/sites\/45\/2024\/12\/sm_1735483595.445587.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=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/centrafricaine\/toutes-les-actualites\/une-avancee-vers-les-supersolides#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/centrafricaine\/toutes-les-actualites\/une-avancee-vers-les-supersolides\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/centrafricaine\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Une avanc\u00e9e vers les supersolides\",\"datePublished\":\"2024-12-29T18:08:43+00:00\",\"dateModified\":\"2024-12-29T18:17:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/centrafricaine\/toutes-les-actualites\/une-avancee-vers-les-supersolides\"},\"wordCount\":225,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/centrafricaine\/toutes-les-actualites\/une-avancee-vers-les-supersolides#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/centrafricaine\/sites\/45\/2024\/12\/sm_1735483595.445587.jpg\",\"keywords\":[\"CentrAfricaine\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/centrafricaine\/toutes-les-actualites\/une-avancee-vers-les-supersolides#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/centrafricaine\/toutes-les-actualites\/une-avancee-vers-les-supersolides\",\"url\":\"https:\/\/www.africa-press.net\/centrafricaine\/toutes-les-actualites\/une-avancee-vers-les-supersolides\",\"name\":\"Une avanc\u00e9e vers les supersolides - 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