{"id":13444,"date":"2025-03-19T10:01:21","date_gmt":"2025-03-19T09:01:21","guid":{"rendered":"https:\/\/lyceerudloff.com\/?p=13444"},"modified":"2025-06-19T08:45:41","modified_gmt":"2025-06-19T06:45:41","slug":"sortie-au-centre-europeen-de-sciences-quantiques-2","status":"publish","type":"post","link":"https:\/\/lyceerudloff.com\/index.php\/2025\/03\/19\/sortie-au-centre-europeen-de-sciences-quantiques-2\/","title":{"rendered":"Sortie au Centre Europ\u00e9en de Sciences Quantiques"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>Un groupe d\u2019\u00e9l\u00e8ves de terminal et de la classe Sciences+ se sont rendus, accompagn\u00e9s de messieurs ADENY et BRADAI, au CESQ de Strasbourg situ\u00e9 sur le Campus de Cronenbourg (CNRS).<\/p>\n\n\n\n<p>Dans un premier temps, de jeunes doctorants ont pr\u00e9sent\u00e9 la m\u00e9canique quantique, une discipline complexe qui r\u00e9git les lois du monde des particules. Les \u00e9l\u00e8ves ont \u00e9t\u00e9 familiaris\u00e9s au caract\u00e8re \u00ab&nbsp;naturellement&nbsp;\u00bb probabilistique de cette discipline.<\/p>\n\n\n\n<p>Dans un deuxi\u00e8me temps, sont pr\u00e9sent\u00e9es les applications prometteuses de la m\u00e9canique quantique, en particulier les ordinateurs quantiques.<\/p>\n\n\n\n<p>Et finalement, un des domaines sur lequel s\u2019est sp\u00e9cialis\u00e9 le CESQ&nbsp;: le refroidissement des atomes de potassium \u00e0 des temp\u00e9ratures tr\u00e8s proche du z\u00e9ro absolu, \u00e0 l\u2019aide de lasers, pour leur immobilisation. Ces atomes froids se comportent comme des ondes quantiques qui peuvent prendre plusieurs \u00e9tats quantiques qui permettent de faire de la simulation et \u00e0 terme d\u2019\u00e9laborer des portes logiques.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"749\" data-id=\"13445\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-1-1024x749.png\" alt=\"\" class=\"wp-image-13445\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-1-1024x749.png 1024w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-1-300x219.png 300w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-1-768x562.png 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-1.png 1184w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"712\" data-id=\"13446\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-2-1024x712.png\" alt=\"\" class=\"wp-image-13446\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-2-1024x712.png 1024w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-2-300x209.png 300w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-2-768x534.png 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-2.png 1312w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<p>Le document qui suit montre un \u00e9cran qui permet de comprendre le ph\u00e9nom\u00e8ne de d\u00e9coh\u00e9rence quantique. Quand l&rsquo;\u00e9l\u00e8ve touche l&rsquo;\u00e9cran, il fait une intrusion dans le monde microscopique&nbsp;; on passe de l&rsquo;onde sur tout l&rsquo;\u00e9cran (coexistence d&rsquo;\u00e9tats superpos\u00e9s) \u00e0 une localisation au point de contact semblable \u00e0 une prise de mesure d&rsquo;un \u00e9tat d\u00e9termin\u00e9. Cela a \u00e9t\u00e9 illustr\u00e9 tr\u00e8s t\u00f4t par Schroedinger lui-m\u00eame (1935) \u00e0 travers une c\u00e9l\u00e8bre exp\u00e9rience de pens\u00e9e&nbsp;: \u00ab&nbsp;Le paradoxe du chat de Schr\u00f6dinger&nbsp;\u00bb.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"688\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-3-1024x688.png\" alt=\"\" class=\"wp-image-13447\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-3-1024x688.png 1024w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-3-300x201.png 300w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-3-768x516.png 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-3.png 1108w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><br>La visite s&rsquo;est termin\u00e9e par une d\u00e9gustation de produits aux nouvelles saveurs de la cuisine \u00e0 l&rsquo;azote liquide. Il n&rsquo;y pas que les atomes qui sont refroidis au CESQ\u00a0!<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"678\" data-id=\"13448\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-4-1024x678.png\" alt=\"\" class=\"wp-image-13448\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-4-1024x678.png 1024w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-4-300x199.png 300w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-4-768x508.png 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-4.png 1142w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"722\" data-id=\"13451\" src=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-7-1024x722.png\" alt=\"\" class=\"wp-image-13451\" srcset=\"https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-7-1024x722.png 1024w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-7-300x212.png 300w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-7-768x542.png 768w, https:\/\/lyceerudloff.com\/wp-content\/uploads\/2025\/06\/image-7.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<p><em>Article r\u00e9dig\u00e9 par Djafer ADENY<\/em><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un groupe d\u2019\u00e9l\u00e8ves de terminal et de la classe Sciences+ se sont rendus, accompagn\u00e9s de messieurs ADENY et BRADAI, au CESQ de Strasbourg situ\u00e9 sur le Campus de Cronenbourg (CNRS). Dans un premier temps, de jeunes doctorants ont pr\u00e9sent\u00e9 la m\u00e9canique quantique, une discipline complexe qui r\u00e9git les lois du monde des particules. Les \u00e9l\u00e8ves [&hellip;]<\/p>\n","protected":false},"author":31,"featured_media":13456,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[72,42,185],"class_list":["post-13444","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pole-scientifique","tag-cordees-de-la-reussite","tag-physique-chimie","tag-sciences-2"],"_links":{"self":[{"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/posts\/13444","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/users\/31"}],"replies":[{"embeddable":true,"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/comments?post=13444"}],"version-history":[{"count":1,"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/posts\/13444\/revisions"}],"predecessor-version":[{"id":13452,"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/posts\/13444\/revisions\/13452"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/media\/13456"}],"wp:attachment":[{"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/media?parent=13444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/categories?post=13444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lyceerudloff.com\/index.php\/wp-json\/wp\/v2\/tags?post=13444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}