{"id":5808,"date":"2026-09-29T23:27:09","date_gmt":"2026-09-29T23:27:09","guid":{"rendered":"https:\/\/netguide.io\/news\/2026\/09\/29\/la-gravita-di-einstein-entra-nel-mondo-quantistico-i-fisici-misurano-la-fase-quantistica-della-caduta-libera\/"},"modified":"2026-09-29T23:27:09","modified_gmt":"2026-09-29T23:27:09","slug":"la-gravita-di-einstein-entra-nel-mondo-quantistico-i-fisici-misurano-la-fase-quantistica-della-caduta-libera","status":"publish","type":"post","link":"https:\/\/netguide.io\/news\/it\/2026\/09\/29\/la-gravita-di-einstein-entra-nel-mondo-quantistico-i-fisici-misurano-la-fase-quantistica-della-caduta-libera\/","title":{"rendered":"La gravit\u00e0 di Einstein entra nel mondo quantistico: i fisici misurano la fase quantistica della caduta libera"},"content":{"rendered":"<div id=\"netgu-1003209614\" 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>I fisici hanno osservato direttamente per la prima volta come la gravit\u00e0 altera la fase quantistica di un atomo liberamente cadente \u2013 confermando che il principio di equivalenza di Einstein vale anche per gli oggetti quantici.<\/strong><\/p>\n\n<h3 class=\"wp-block-heading\">Interferometro Quantum Galileo<\/h3>\n\n<p class=\"wp-block-paragraph\">Per l&#8217;esperimento, i ricercatori hanno diviso gli atomi di rubidio ultrafred in una sovrapposizione quantistica: una parte del pacchetto d&#8217;onda \u00e8 stata tenuta stazionaria mentre l&#8217;altra \u00e8 caduta liberamente sotto la gravit\u00e0. Poi si ricombinarono i due percorsi e misurarono la minuscola differenza di fase quantistica che l&#8217;atomo cadente aveva accumulato rispetto a quello riposante. La tecnica, soprannominata &#8220;Quantum Galileo Interferometer&#8221;, porta il famoso esperimento del corpo cadente di Galileo nel mondo dei singoli atomi.<\/p><div id=\"netgu-2191353233\" 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\/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 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f\u00fcr WearOS im Google Play Store<\/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>1.39 \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\t54\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\/kostenloses-dlc-bundle-fuer-gears-of-war-e-day-liquid-death-bundle\/\">\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\/2844571_1-150x150.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\">Kostenloses DLC-Bundle f\u00fcr Gears of War E-Day \u2013 Liquid Death Bundle<\/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\t54\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\/kostenlose-emote-im-clash-royale-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\/09\/share-image-clashroyale-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\">Kostenlose Emote im Clash Royale-Store<\/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\t54\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<p class=\"wp-block-paragraph\">Il cambiamento di fase misurato corrisponde al valore ottenuto applicando il principio di equivalenza di Einstein \u2013 l&#8217;uguaglianza di massa gravitazionale e inerziale \u2013 ad un oggetto quantico. L&#8217;effetto era stato a lungo predetto ma mai dimostrato direttamente.<\/p>\n\n<h3 class=\"wp-block-heading\">Che cosa significa il risultato \u2013 e che cosa non fa<\/h3>\n\n<p class=\"wp-block-paragraph\">Il lavoro ha coinvolto l&#8217;Universit\u00e0 Ben-Gurion del Negev, l&#8217;Universit\u00e0 di Ulm e l&#8217;Universit\u00e0 di Oxford; il team ha incluso il professor Ron Folman, il professor Vlatko Vedral e il premio Nobel Sir Roger Penrose. Lo studio \u00e8 apparso il 2 settembre 2026 nella rivista \u201eScience Advances\u201c.<\/p>\n\n<ul class=\"wp-block-list\"><li>L&#8217;esperimento fa <strong>non<\/strong> unire meccanica quantistica e gravit\u00e0.<\/li><li>Non dimostra che la gravit\u00e0 stessa \u00e8 quantistica.<\/li><li>Non mette alla prova la proposta di Penrose di un collasso per oggetti di massa.<\/li><\/ul>\n\n<p class=\"wp-block-paragraph\">I risultati rimangono in scala di laboratorio per ora. I test futuri mirano a includere oggetti pi\u00f9 pesanti come nanodiamondi, probando ulteriormente il confine tra i mondi quantistici e classici.<\/p>\n\n<p class=\"wp-block-paragraph\"><em>Fonti:<\/em> <a href=\"https:\/\/www.eurekalert.org\/news-releases\/1141933\" rel=\"noopener\" target=\"_blank\">EurekAlert<\/a> \u00b7 <a href=\"https:\/\/www.physics.ox.ac.uk\/news\/scientists-observe-einsteins-gravity-quantum-world\" rel=\"noopener\" target=\"_blank\">Universit\u00e0 di Oxford<\/a> \u00b7 <a href=\"https:\/\/www.sciencedaily.com\/releases\/2026\/09\/260907201552.htm\" rel=\"noopener\" target=\"_blank\">ScienzaDai<\/a><\/p><div id=\"netgu-2753434000\" 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>Un team internazionale della Ben-Gurion University, l&#8217;Universit\u00e0 di Ulm e Oxford ha misurato per la prima volta come la gravit\u00e0 sposta la fase quantistica di un atomo liberamente in calo, confermando il principio di equivalenza di Einstein.<\/p>\n","protected":false},"author":1,"featured_media":1833,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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":[],"tags":[],"class_list":["post-5808","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/5808","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=5808"}],"version-history":[{"count":1,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/5808\/revisions"}],"predecessor-version":[{"id":5809,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/5808\/revisions\/5809"}],"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=5808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/categories?post=5808"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/tags?post=5808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}