{"id":151,"date":"2022-10-10T17:25:12","date_gmt":"2022-10-10T15:25:12","guid":{"rendered":"https:\/\/pole-acs.lis-lab.fr\/?p=151"},"modified":"2023-01-03T09:25:01","modified_gmt":"2023-01-03T08:25:01","slug":"eugenio-pozzoli","status":"publish","type":"post","link":"https:\/\/pole-acs.lis-lab.fr\/?p=151","title":{"rendered":"Eugenio Pozzoli"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/sites.google.com\/view\/eugeniopozzoli\/home\">Eugenio Pozzoli<\/a><br>IMB  <\/h3>\n\n\n\n<p>20 octobre 2022, 14.30<br>Salle X 133<br>Campus Toulon<\/p>\n\n\n\n<p><strong>Contr\u00f4labilit\u00e9 des syst\u00e8mes quantiques en dimension infinie <\/strong><\/p>\n\n\n\n<p>L&rsquo;\u00e9tude des propri\u00e9t\u00e9s de contr\u00f4labilit\u00e9 d&rsquo;un syst\u00e8me quantique joue un r\u00f4le important dans les applications en physique et en chimie, comme par example la spectroscopie et l&rsquo;information quantique. Les questions que j&rsquo;aborderai dans cet expos\u00e9 sont principalement deux : (i) le syst\u00e8me (ferm\u00e9) peut-il \u00eatre contr\u00f4l\u00e9 parmi tous ses \u00e9tats ? (ii) quels \u00e9tats peuvent \u00eatre atteints en temps petit ? La question (i) est un probl\u00e8me de contr\u00f4labilit\u00e9&nbsp;bilin\u00e9aire (globale). La question (ii) est un probl\u00e8me d&rsquo;accessibilit\u00e9&nbsp;bilin\u00e9aire en petit temps, li\u00e9 au probl\u00e8me du temps minimal. Dans le cadre o\u00f9 l&rsquo;\u00e9tat \u00e9volue dans un espace infini-dimensionnel, je pr\u00e9senterai quelques&nbsp;r\u00e9ponses aux questions (i) en utilisant des approximations&nbsp;fini-dimensionnelles avec des&nbsp;contr\u00f4les&nbsp;p\u00e9riodiques et (ii) en utilisant une technique de saturation issue du contr\u00f4le g\u00e9om\u00e9trique avec des&nbsp;contr\u00f4les pas born\u00e9s. Je montrerai aussi des applications de ces r\u00e9sultats au&nbsp;contr\u00f4le de la&nbsp;dynamique rotationelle des mol\u00e9cules,&nbsp;vues comme des corps rigides quantiques.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Eugenio PozzoliIMB 20 octobre 2022, 14.30Salle X 133Campus Toulon Contr\u00f4labilit\u00e9 des syst\u00e8mes quantiques en dimension infinie L&rsquo;\u00e9tude des propri\u00e9t\u00e9s de contr\u00f4labilit\u00e9 d&rsquo;un syst\u00e8me quantique joue un r\u00f4le important dans les applications en physique et en chimie, comme par example la spectroscopie et l&rsquo;information quantique. Les questions que j&rsquo;aborderai dans cet expos\u00e9 sont principalement deux : &hellip; <a href=\"https:\/\/pole-acs.lis-lab.fr\/?p=151\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Eugenio Pozzoli<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,7],"tags":[],"class_list":["post-151","post","type-post","status-publish","format-standard","hentry","category-11","category-toulon"],"_links":{"self":[{"href":"https:\/\/pole-acs.lis-lab.fr\/index.php?rest_route=\/wp\/v2\/posts\/151","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pole-acs.lis-lab.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pole-acs.lis-lab.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pole-acs.lis-lab.fr\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/pole-acs.lis-lab.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=151"}],"version-history":[{"count":2,"href":"https:\/\/pole-acs.lis-lab.fr\/index.php?rest_route=\/wp\/v2\/posts\/151\/revisions"}],"predecessor-version":[{"id":163,"href":"https:\/\/pole-acs.lis-lab.fr\/index.php?rest_route=\/wp\/v2\/posts\/151\/revisions\/163"}],"wp:attachment":[{"href":"https:\/\/pole-acs.lis-lab.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pole-acs.lis-lab.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pole-acs.lis-lab.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}