{"id":2225,"date":"2026-08-31T09:30:00","date_gmt":"2026-08-31T09:30:00","guid":{"rendered":"https:\/\/netguide.io\/news\/?p=2225"},"modified":"2026-08-31T09:30:00","modified_gmt":"2026-08-31T09:30:00","slug":"ibm-quantenvorteil-70-logische-qubits","status":"publish","type":"post","link":"https:\/\/netguide.io\/news\/de\/2026\/08\/31\/ibm-quantenvorteil-70-logische-qubits\/","title":{"rendered":"IBM meldet \u201everifizierten&#8221; Quantenvorteil mit 70 logischen Qubits \u2013 Fachleute mahnen zur Vorsicht"},"content":{"rendered":"<div id=\"netgu-3469194678\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><p class=\"wp-block-paragraph\"><strong>IBM und die University of Chicago berichten von einem \u201everifizierten Quantenvorteil&#8221;: Ein Quantenrechner habe eine speziell konstruierte Aufgabe in rund 15 Minuten gel\u00f6st, f\u00fcr die f\u00fchrende klassische Simulationsmethoden laut den Forschenden untragbar lange br\u00e4uchten \u2013 ausgef\u00fchrt auf 70 fehlerkorrigierten logischen Qubits.<\/strong><\/p>\n\n<h3 class=\"wp-block-heading\">Was das Team gemacht hat<\/h3>\n\n<p class=\"wp-block-paragraph\">Laut IBM f\u00fchrte die Maschine 2.415 logische Zwei-Qubit-Operationen und 468 sogenannte T-Gatter aus; die logischen Fehlerraten h\u00e4tten rund zehnmal niedriger gelegen als die physischen. Die logischen Qubits sind dabei aus einer deutlich gr\u00f6\u00dferen Zahl physischer Qubits kodiert, um Rechenfehler abzufangen. Beschrieben ist die Arbeit im Preprint \u201eSampling hard circuits with verifiably high fidelity&#8221; (arXiv), der bislang nicht von unabh\u00e4ngigen Gutachtern gepr\u00fcft wurde. Statt des klassischen Random Circuit Sampling nutzt das Team nach eigenen Angaben eine strukturierte Variante, deren Ergebnis sich zus\u00e4tzlich statistisch \u00fcberpr\u00fcfen lasse.<\/p><div id=\"netgu-1023940102\" class=\"netgu-content netgu-entity-placement\"><aside class=\"deals-top deals-top--compact\">\n\n\t\t\t<h3 class=\"deals-top__title\">Top-Deals<\/h3>\n\t\n\t\t\t<ul class=\"deals-top__list\">\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/ml2u-226-watch-face-fuer-wearos-im-google-play-store\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/10\/deal-3-150x150.png\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">ML2U 226 Watch Face f\u00fcr WearOS im Google Play 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class=\"deals-top__name\">Star Citizen Twitch Drops \u2013 Deko f\u00fcr den Hangar<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t55\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/moon-knight-digital-watch-face-fuer-wear-os-4\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/deal-27-150x150.png\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">MOON KNIGHT Digital Watch Face f\u00fcr Wear OS 4+<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<s>0.89 \u20ac<\/s>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-discount\">-100%<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t55\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/battlefield-6-code-fuer-spielerkartenhintergrund-und-titel\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/10\/battlefield-6-how-to-redeem-codes-asset-code-9-2026_de-150x150.webp\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">Battlefield 6 \u2013 Code f\u00fcr Spielerkartenhintergrund und Titel<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t55\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/train-sim-world-7-starter-pack-kostenlos-fuer-ps4-ps5-xbox-pc\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/capsule_616x353-11-150x150.jpg\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">Train Sim World 7: Starter Pack kostenlos f\u00fcr PS4, PS5, Xbox, PC<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t55\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\n\t\t\t\t\t<p class=\"deals-top__more\">\n\t\t\t\t<a href=\"https:\/\/netguide.io\/deals\/\">Alle Deals ansehen \u2192<\/a>\n\t\t\t<\/p>\n\t\t\t<\/aside>\n<\/div>\n\n<h3 class=\"wp-block-heading\">Warum Fachleute vorsichtig bleiben<\/h3>\n\n<p class=\"wp-block-paragraph\">Der Nachweis betrifft ein eigens konstruiertes Sampling-Problem ohne unmittelbaren praktischen Nutzen. \u201eKlassisch nicht reproduzierbar&#8221; hei\u00dft hier konkret: Bekannte Simulationsverfahren sto\u00dfen an Laufzeitgrenzen \u2013 ein mathematischer Unm\u00f6glichkeitsbeweis ist das nicht. Fr\u00fchere Quantenvorteil-Behauptungen wurden mehrfach sp\u00e4ter von verbesserten klassischen Algorithmen eingeholt. UChicago-Forscher Bill Fefferman nennt die Verifikation selbst \u201eeine der gr\u00f6\u00dften Herausforderungen&#8221;, um Quantenvorteil experimentell zu belegen. IBM-Forschungsdirektor Jay Gambetta erkl\u00e4rt hingegen, man sei \u201enun fest in der \u00c4ra des Quantenvorteils&#8221;.<\/p>\n\n<h3 class=\"wp-block-heading\">Einordnung<\/h3>\n\n<p class=\"wp-block-paragraph\">F\u00fcr Anwender \u00e4ndert sich kurzfristig nichts: Der Meilenstein zeigt Fortschritte bei Fehlerkorrektur und \u00dcberpr\u00fcfbarkeit, nicht einen fertig nutzbaren Quantenalgorithmus. Da die Ergebnisse bislang nur als Preprint vorliegen, stehen eine begutachtete Ver\u00f6ffentlichung und unabh\u00e4ngige Nachpr\u00fcfungen durch andere Forschungsgruppen noch aus.<\/p>\n\n<p class=\"wp-block-paragraph\">Quellen: <a href=\"https:\/\/newsroom.ibm.com\/2026-07-30-ibm-and-the-university-of-chicago-demonstrate-quantum-advantage,-establishing-trusted-quantum-computation-on-logical-circuits\" target=\"_blank\" rel=\"noopener\">IBM Newsroom<\/a> \u00b7 <a href=\"https:\/\/arxiv.org\/abs\/2607.25941\" target=\"_blank\" rel=\"noopener\">arXiv-Preprint 2607.25941<\/a> \u00b7 <a href=\"https:\/\/www.sciencedaily.com\/releases\/2026\/08\/260829035219.htm\" target=\"_blank\" rel=\"noopener\">ScienceDaily<\/a> \u00b7 <a href=\"https:\/\/thequantuminsider.com\/2026\/07\/31\/ibm-university-of-chicago-verified-logical-quantum-computation\/\" target=\"_blank\" rel=\"noopener\">The Quantum Insider<\/a><\/p><div id=\"netgu-1774107125\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>IBM und die University of Chicago berichten von einer Quantenberechnung, die klassische Simulationen praktisch nicht nachvollziehen k\u00f6nnten \u2013 mit 70 fehlerkorrigierten logischen Qubits. Was dahintersteckt und warum Skepsis angebracht bleibt.<\/p>\n","protected":false},"author":1,"featured_media":1833,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_affilinode_tracking":"","_affilinode_autolink_off":false,"_affilinode_rating":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[13,1667],"tags":[],"class_list":["post-2225","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-wissenschaft"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/2225","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/comments?post=2225"}],"version-history":[{"count":1,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/2225\/revisions"}],"predecessor-version":[{"id":2239,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/2225\/revisions\/2239"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media\/1833"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media?parent=2225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/categories?post=2225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/tags?post=2225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}