{"id":627340,"date":"2023-04-09T10:49:27","date_gmt":"2023-04-09T15:49:27","guid":{"rendered":"https:\/\/news.sellorbuyhomefast.com\/index.php\/2023\/04\/09\/google-se-dote-dune-correction-derreur-efficace-dans-le-quantique\/"},"modified":"2023-04-09T10:49:27","modified_gmt":"2023-04-09T15:49:27","slug":"google-se-dote-dune-correction-derreur-efficace-dans-le-quantique","status":"publish","type":"post","link":"https:\/\/newsycanuse.com\/index.php\/2023\/04\/09\/google-se-dote-dune-correction-derreur-efficace-dans-le-quantique\/","title":{"rendered":"Google se dote d\u2019une correction d\u2019erreur efficace dans le quantique"},"content":{"rendered":"<p>Science &#038; Nature <\/p>\n<div>\n<div>\n<p>\n\t<a href=\"https:\/\/www.usinenouvelle.com\/editorial\/l-instant-tech-google-valide-une-deuxieme-etape-vers-un-calculateur-quantique-la-correction-d-erreur.N2104936\" target=\"_blank\" rel=\"noopener\">C\u2019est \u00abune \u00e9tape scientifique cl\u00e9\u00bb<\/a>. Les chercheurs de Google ont pr\u00e9sent\u00e9 fin f\u00e9vrier, dans la revue Nature, \u00abune d\u00e9monstration de calcul quantique o\u00f9 le taux d\u2019erreur diminue quand la taille de la correction d\u2019erreur augmente\u00bb. Une \u00e9quation \u2013 qui para\u00eet pourtant logique \u2013 \u00e0 laquelle se heurtent tous les concepteurs d\u2019un calculateur quantique. Comme dans l\u2019informatique conventionnelle, la correction des erreurs de calcul repose sur la redondance: en encodant une information dans plusieurs bits ou qubits, il doit \u00eatre possible de d\u00e9tecter un changement d\u2019\u00e9tat impr\u00e9vu. Probl\u00e8me, les qubits sont tr\u00e8s instables&#8230; Et les accumuler g\u00e9n\u00e8re davantage d\u2019erreurs.<\/p>\n<p> [&#8230;]<\/p>\n<div>\n<p>Cet article est r\u00e9serv\u00e9 \u00e0 nos abonn\u00e9s L&#8217;Usine Nouvelle<\/p>\n<p>Soutenez un journalisme d&#8217;expertise.<\/p>\n<div>\n<p><span>D\u00e9j\u00e0 abonn\u00e9 ? <\/span><br \/>\n                <a data-xiti-chapter1=\"ABO\" data-xiti-chapter2=\"paywall-article-tronque\" data-xiti-name=\"Connectez-vous\" href=\"http:\/\/www.usinenouvelle.com\/connexion\/\"><b>Connectez-vous<\/b><\/a>\n            <\/p>\n<\/div><\/div>\n<div data-iec-version=\"2\" data-iec-async=\"false\" data-xiti-chapter1=\"Indices\">\n<p>VOS <b>INDICES<\/b><\/p>\n<p><span><br \/>\n                <span>source<\/span><br \/>\n                <img decoding=\"async\" src=\"http:\/\/www.usinenouvelle.com\/images\/base-module\/document\/logo-indice-contations.png\" alt=\"Science &amp; Nature Indices &#038; cotations\"><br \/>\n            <\/span><\/p>\n<\/div><\/div>\n<section>\n<h2>Science &#038; Nature SUR LE <b>M\u00caME SUJET<\/b><\/h2>\n<ul data-xiti-chapter2=\"sous-article-a-lire-aussi\">\n<li>\n<p>                        <a href=\"http:\/\/www.usinenouvelle.com\/editorial\/l-instant-tech-google-valide-une-deuxieme-etape-vers-un-calculateur-quantique-la-correction-d-erreur.N2104936\" data-xiti-name=\"2104936\"><br \/>\n                            [L\u2019instant tech] Google valide une deuxi\u00e8me \u00e9tape vers un calculateur quantique : la correction d\u2019erreur<br \/>\n                        <\/a><\/p>\n<\/li>\n<li>\n<p>                        <a href=\"http:\/\/www.usinenouvelle.com\/editorial\/l-instant-tech-google-devoile-son-campus-californien-dedie-au-calcul-quantique.N1094524\" data-xiti-name=\"1094524\"><br \/>\n                            [L\u2019instant tech] Google d\u00e9voile son campus californien d\u00e9di\u00e9 au calcul quantique<br \/>\n                        <\/a><\/p>\n<\/li>\n<\/ul>\n<\/section><\/div>\n<p><a href=\"https:\/\/www.usinenouvelle.com\/editorial\/google-se-dote-d-une-correction-d-erreur-efficace-dans-le-quantique.N2117736\" class=\"button purchase\" rel=\"nofollow noopener\" target=\"_blank\">Read More<\/a><br \/>\n \u00a0G.\u00a0V.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u2019est \u00abune \u00e9tape scientifique cl\u00e9\u00bb. Les chercheurs de Google ont pr\u00e9sent\u00e9 fin f\u00e9vrier, dans la revue Nature, \u00abune d\u00e9monstration de calcul quantique o\u00f9 le taux d\u2019erreur diminue quand la taille de la correction d\u2019erreur augmente\u00bb. Une \u00e9quation \u2013 qui para\u00eet pourtant logique \u2013 \u00e0 laquelle se heurtent tous les concepteurs d\u2019un calculateur quantique. Comme dans<\/p>\n","protected":false},"author":1,"featured_media":627341,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35767,496,536],"tags":[],"class_list":["post-627340","post","type-post","status-publish","format-standard","has-post-thumbnail","category-dune","category-google","category-science-nature"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/posts\/627340","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/comments?post=627340"}],"version-history":[{"count":0,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/posts\/627340\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/media\/627341"}],"wp:attachment":[{"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/media?parent=627340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/categories?post=627340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/newsycanuse.com\/index.php\/wp-json\/wp\/v2\/tags?post=627340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}