{"id":7542,"date":"2022-01-02T12:00:04","date_gmt":"2022-01-02T11:00:04","guid":{"rendered":"https:\/\/fermi.univ-tlse3.fr\/?post_type=tribe_events&#038;p=7542"},"modified":"2022-01-12T15:36:13","modified_gmt":"2022-01-12T14:36:13","slug":"tba-alice-sinatra-lpt-seminar-11-01-14-h","status":"publish","type":"tribe_events","link":"https:\/\/fermi.univ-tlse3.fr\/fr\/home\/event\/tba-alice-sinatra-lpt-seminar-11-01-14-h\/","title":{"rendered":"Etats comprim\u00e9s de spin pour la m\u00e9trologie (Alice Sinatra \/ LPT \/ Seminar). &#8211; 11\/01, 14 H."},"content":{"rendered":"<p><strong>Alice Sinatra <\/strong>(LKB, ENS)<\/p>\n<p>La compression de spin est une \u00ab\u00a0technologie quantique\u00a0\u00bb bien \u00e9tablie, o\u00f9 des corr\u00e9lations judicieusement cr\u00e9\u00e9es dans un ensemble d\u2019atomes r\u00e9duisent l\u2019incertitude statistique des exp\u00e9riences spectroscopiques. Dans la premi\u00e8re partie de l\u2019expos\u00e9, nous donnerons un aper\u00e7u des avanc\u00e9es importantes dans ce domaine, en soulignant les limites fondamentales impos\u00e9es par la d\u00e9coh\u00e9rence [1]. Dans la deuxi\u00e8me partie, nous pr\u00e9senterons bri\u00e8vement un sch\u00e9ma de compression de spin avec des condensats de Bose-Einstein, qui permet de figer les corr\u00e9lations quantiques d\u2019un \u00e9tat comprim\u00e9 de spin [2] ou d\u2019un \u00e9tat GHZ [3] dans un r\u00e9seau optique, les atomes \u00e9tant en configuration d\u2019isolant de Mott.<\/p>\n<p><strong>[1]<\/strong> A. Sinatra, Spin-squeezed states for metrology, hal-03508213.<\/p>\n<p><strong>[2]<\/strong> D. Kajtoch, E. Witkowska, A. Sinatra, Spin-squeezed atomic crystal Europhys. Lett 123, 20012 (2018).<\/p>\n<p><strong>[3]<\/strong> M.\u00a0Plodzien, M.\u00a0Koscielski, E. Witkowska, A. Sinatra, Producing and storing spin-squeezed states and Greenberger-Horne-Zeilinger states in a one-dimensional optical lattice, Phys. Rev. A 102, 013328 (2020) (Editors choice).<\/p>\n<hr \/>\n<p><strong>Visio<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La compression de spin est une \u00ab\u00a0technologie quantique\u00a0\u00bb bien \u00e9tablie, o\u00f9 des corr\u00e9lations judicieusement cr\u00e9\u00e9es dans un ensemble d\u2019atomes r\u00e9duisent l\u2019incertitude statistique des exp\u00e9riences spectroscopiques<\/p>\n","protected":false},"author":3,"featured_media":0,"template":"","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","_tribe_events_status":"","_tribe_events_status_reason":"","footnotes":""},"tags":[],"tribe_events_cat":[48,313,233],"class_list":["post-7542","tribe_events","type-tribe_events","status-publish","hentry","tribe_events_cat-events","tribe_events_cat-lpt","tribe_events_cat-seminars","cat_events","cat_lpt","cat_seminars"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Etats comprim\u00e9s de spin pour la m\u00e9trologie (Alice Sinatra \/ LPT \/ Seminar). - 11\/01, 14 H. - FeRMI<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fermi.univ-tlse3.fr\/fr\/home\/event\/tba-alice-sinatra-lpt-seminar-11-01-14-h\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Etats comprim\u00e9s de spin pour la m\u00e9trologie (Alice Sinatra \/ LPT \/ Seminar). - 11\/01, 14 H. - FeRMI\" \/>\n<meta property=\"og:description\" content=\"La compression de spin est une &quot;technologie quantique&quot; 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