{"id":89766,"date":"2025-10-07T13:09:36","date_gmt":"2025-10-07T11:09:36","guid":{"rendered":"https:\/\/congopubonline.com\/?p=89766"},"modified":"2025-10-07T13:09:36","modified_gmt":"2025-10-07T11:09:36","slug":"le-nobel-de-physique-2025-decerne-au-francais-michel-h-devoret-lamericain-john-m-martinis-et-au-britannique-john-clarke","status":"publish","type":"post","link":"https:\/\/congopubonline.com\/?p=89766","title":{"rendered":"Le Nobel de physique 2025 d\u00e9cern\u00e9 au Fran\u00e7ais Michel H. Devoret, l’Am\u00e9ricain John M. Martinis et au Britannique John Clarke"},"content":{"rendered":"\n

Le prix Nobel de\u00a0physique\u00a02025 a \u00e9t\u00e9 d\u00e9cern\u00e9 mardi au Britannique John Clarke, \u00e0 l\u2019Am\u00e9ricain John Martinis et au\u00a0Fran\u00e7ais\u00a0Michel Devoret pour leurs travaux dans la m\u00e9canique quantique. Le trio a \u00e9t\u00e9 r\u00e9compens\u00e9 \u00ab\u00a0pour la d\u00e9couverte de l\u2019effet tunnel quantique macroscopique et de la quantification de l\u2019\u00e9nergie dans un circuit \u00e9lectrique\u00a0\u00bb, a d\u00e9clar\u00e9 le comit\u00e9\u00a0Nobel.<\/p>\n\n\n\n

Ils ont r\u00e9alis\u00e9 une s\u00e9rie d\u2019exp\u00e9riences pour d\u00e9montrer que \u00ab les propri\u00e9t\u00e9s \u00e9tranges du monde quantique \u00bb peuvent \u00eatre rendues concr\u00e8tes dans un syst\u00e8me assez grand pour \u00eatre tenu dans la main.<\/p>\n\n\n\n

C\u2019est quoi la m\u00e9canique quantique ?<\/h2>\n\n\n\n

Une question majeure en physique est celle de la taille maximale d\u2019un syst\u00e8me pouvant d\u00e9montrer des effets de m\u00e9canique quantique.<\/p>\n\n\n\n

La m\u00e9canique quantique d\u00e9crit la fa\u00e7on dont les choses fonctionnent \u00e0 des \u00e9chelles incroyablement petites – au niveau des particules. Par exemple, lorsqu\u2019une balle ordinaire frappe un mur, elle rebondit et le prix d\u00e9cern\u00e9 mardi r\u00e9compense des exp\u00e9riences effectu\u00e9es dans les ann\u00e9es 1980 qui ont montr\u00e9 qu\u2019une particule, \u00e0 l\u2019\u00e9chelle quantique, peut en r\u00e9alit\u00e9 traverser directement un mur comparable – un ph\u00e9nom\u00e8ne appel\u00e9 \u00ab effet tunnel \u00bb.<\/p>\n\n\n\n

Please close pop-out player to resume playback.<\/p>\n\n\n\n

\nhttps:\/\/www.ultimedia.com\/deliver\/generic\/iframe\/mdtk\/01357940\/zone\/1\/src\/qmm30qq\/showtitle\/1?tagparam=category%3Dhigh-tech%26sub_category%3Dsciences%26tags%3Dhigh-tech%2Csciences%2Cprix%2Cnobel%2Cphysique%2Cfrancais%2Cmecanique%2Cphysique-quantique%2Crecherches%2Cenergie%26content_id%3D4177678%26brand_safety%3Dpositive%26page_type%3Darticle%26pos%3Dinstream\n<\/div><\/figure>\n\n\n\n

Le prix Nobel de physique \u00ab a ouvert la voie au d\u00e9veloppement de la prochaine g\u00e9n\u00e9ration de technologies quantiques, notamment la cryptographie quantique, les ordinateurs quantiques et les capteurs quantiques \u00bb, selon le jury.<\/p>\n\n\n\n

Des avanc\u00e9es sur l\u2019IA<\/h2>\n\n\n\n

L\u2019an dernier, le prix Nobel de physique<\/a> avait distingu\u00e9 le Britanno-Canadien Geoffrey Hinton et l\u2019Am\u00e9ricain John Hopfield pour leurs recherches d\u00e8s les ann\u00e9es 1980 sur les r\u00e9seaux de neurones artificiels, ouvrant la voie au d\u00e9veloppement de l\u2019intelligence artificielle contemporaine. A la r\u00e9ception du prix, les deux scientifiques s\u2019\u00e9taient dits tr\u00e8s inquiets des r\u00e9centes avanc\u00e9es technologiques de l\u2019IA.<\/p>\n\n\n\n

RFI<\/em><\/strong><\/p>\n

<\/span> 251<\/span> Vues<\/span><\/div>","protected":false},"excerpt":{"rendered":"

Le prix Nobel de\u00a0physique\u00a02025 a \u00e9t\u00e9 d\u00e9cern\u00e9 mardi au Britannique John Clarke, \u00e0 l\u2019Am\u00e9ricain John Martinis et au\u00a0Fran\u00e7ais\u00a0Michel Devoret pour leurs travaux dans la m\u00e9canique quantique. Le trio a \u00e9t\u00e9…<\/p>\n","protected":false},"author":1,"featured_media":89767,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[844,61],"tags":[],"class_list":["post-89766","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-la-une","category-sci-et-tech"],"yoast_head":"\nLe Nobel de physique 2025 d\u00e9cern\u00e9 au Fran\u00e7ais Michel H. Devoret, l'Am\u00e9ricain John M. 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