{"id":154835,"date":"2025-05-06T11:40:00","date_gmt":"2025-05-06T10:40:00","guid":{"rendered":"https:\/\/sftarticles.wpenginepowered.com\/es\/?p=354268"},"modified":"2025-06-11T20:00:45","modified_gmt":"2025-06-11T19:00:45","slug":"sais-tu-ce-quest-la-chaleur-absolue-la-temperature-de-planck-et-ses-implications","status":"publish","type":"post","link":"https:\/\/cms-articles.softonic.io\/fr\/sais-tu-ce-quest-la-chaleur-absolue-la-temperature-de-planck-et-ses-implications\/","title":{"rendered":"Sais-tu ce qu&#039;est la chaleur absolue ? La temp\u00e9rature de Planck et ses implications"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">La temp\u00e9rature minimale, \u00e9galement connue sous le nom de<strong> z\u00e9ro absolu, est d\u00e9finie comme -273,15 \u00b0C ou 0 Kelvin<\/strong>, o\u00f9 l&#8217;on atteint le calme total et il n&#8217;y a aucun mouvement mol\u00e9culaire.<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u00c0 l&#8217;autre extr\u00e9mit\u00e9 du spectre, se trouve la temp\u00e9rature de Planck, consid\u00e9r\u00e9e comme la &#8220;chaleur absolue&#8221;<\/strong>, qui est estim\u00e9e \u00e0 environ 142 quintillions de Kelvin (1,42\u00b710<sup>32<\/sup>&nbsp;degr\u00e9s Celsius), un seuil o\u00f9 les lois de la physique telles que nous les connaissons cessent d&#8217;\u00eatre applicables.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Pour mettre cela en perspective,<strong> la temp\u00e9rature du noyau du Soleil est d&#8217;environ 15 millions de Kelvin<\/strong>, tandis que dans certains restes de supernovae, on peut enregistrer des temp\u00e9ratures proches d&#8217;un billion de degr\u00e9s.<\/p>\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"The Planck Temperature: How hot can the Universe get?\" width=\"840\" height=\"473\" src=\"https:\/\/www.youtube.com\/embed\/ofzlBP6_5iw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n<h2 class=\"wp-block-heading\">Explorer le z\u00e9ro absolu et les limites de la temp\u00e9rature<\/h2>\n\n\n<p class=\"wp-block-paragraph\"><strong>Des exp\u00e9riences men\u00e9es au Grand collisionneur de hadrons (LHC) du CERN ont r\u00e9ussi \u00e0 atteindre des temp\u00e9ratures sup\u00e9rieures \u00e0 5 billions de Kelvin<\/strong>, mais la temp\u00e9rature de Planck reste th\u00e9oriquement inaccessibile avec nos capacit\u00e9s technologiques actuelles.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Le concept de \u00ab chaleur \u00bb implique un transfert d&#8217;\u00e9nergie, et comprendre la temp\u00e9rature de Planck n\u00e9cessite de plonger dans le domaine de la physique quantique. Dans ce contexte, la chaleur est li\u00e9e aux \u00e9missions dans le spectre \u00e9lectromagn\u00e9tique.<\/p>\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">A fact that shows human achievement: Both the hottest &amp; coldest places in the universe have been on Earth in the last decade<br><br>CERN\u2019s Large Hadron Collider hit 9.9 trillion Fahrenheit. And an experiment at the Bremen Drop Tower got to 38 trillionths of a degree above absolute zero <a href=\"https:\/\/t.co\/rIhx5SzUuP\">pic.twitter.com\/rIhx5SzUuP<\/a><\/p>&mdash; Ethan Mollick (@emollick) <a href=\"https:\/\/twitter.com\/emollick\/status\/1485474755646001152?ref_src=twsrc%5Etfw\">January 24, 2022<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n<p class=\"wp-block-paragraph\">Cependant, la limite sup\u00e9rieure de ce spectre est d\u00e9finie par la distance de Planck, ce qui emp\u00eache le transfert d&#8217;\u00e9nergie thermique de mani\u00e8re efficace.<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u00c9tant donn\u00e9 la nature extr\u00eame de la temp\u00e9rature de Planck, ce chiffre nous am\u00e8ne \u00e0 consid\u00e9rer des ph\u00e9nom\u00e8nes comme le Big Bang et les trous noirs<\/strong>, o\u00f9 les lois physiques contemporaines ne s&#8217;appliquent pas correctement.<\/p>\n\n\n<p class=\"wp-block-paragraph\">La recherche d&#8217;une th\u00e9orie unificatrice qui int\u00e8gre la relativit\u00e9 avec la physique quantique se poursuit, car elle pourrait offrir de nouvelles perspectives sur la nature de la chaleur et de l&#8217;univers dans son ensemble.<\/p>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La temp\u00e9rature minimale, \u00e9galement connue sous le nom de z\u00e9ro absolu, est d\u00e9finie comme -273,15 \u00b0C ou 0 Kelvin, o\u00f9 l&#8217;immobilit\u00e9 totale est atteinte et il n&#8217;y a pas de mouvement mol\u00e9culaire. \u00c0 l&#8217;autre extr\u00e9mit\u00e9 du spectre se trouve la temp\u00e9rature de Planck, consid\u00e9r\u00e9e comme la &#8220;chaleur absolue&#8221;, qui est estim\u00e9e \u00e0 environ 142 quintillions de Kelvin (1,42\u00b710^32 degr\u00e9s Celsius), un seuil o\u00f9 les lois de la physique telles que nous les connaissons cessent d&#8217;\u00eatre applicables. Pour mettre cela en perspective, la temp\u00e9rature du noyau du Soleil est d&#8217;environ 15 millions de Kelvin, tandis que dans certains restes de supernovae, des temp\u00e9ratures proches peuvent \u00eatre enregistr\u00e9es [&#8230;]<\/p>\n","protected":false},"author":9317,"featured_media":154836,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","wpcf-pageviews":0},"categories":[16761],"tags":[17057],"usertag":[],"vertical":[],"content-category":[],"class_list":["post-154835","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-ciencia"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/posts\/154835","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/users\/9317"}],"replies":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/comments?post=154835"}],"version-history":[{"count":1,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/posts\/154835\/revisions"}],"predecessor-version":[{"id":156936,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/posts\/154835\/revisions\/156936"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/media\/154836"}],"wp:attachment":[{"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/media?parent=154835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/categories?post=154835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/tags?post=154835"},{"taxonomy":"usertag","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/usertag?post=154835"},{"taxonomy":"vertical","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/vertical?post=154835"},{"taxonomy":"content-category","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/content-category?post=154835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}