{"id":1493,"date":"2012-12-21T21:05:00","date_gmt":"2012-12-21T20:05:00","guid":{"rendered":"https:\/\/gqm.lpl.univ-paris13.fr\/?p=1493"},"modified":"2025-11-08T21:39:05","modified_gmt":"2025-11-08T20:39:05","slug":"resonant-demagnetization-of-a-dipolar-bose-einstein-condensate-in-a-three-dimensional-optical-lattice","status":"publish","type":"post","link":"https:\/\/gqm.lpl.univ-paris13.fr\/index.php\/2012\/12\/21\/resonant-demagnetization-of-a-dipolar-bose-einstein-condensate-in-a-three-dimensional-optical-lattice\/","title":{"rendered":"Resonant demagnetization of a dipolar Bose-Einstein condensate in a three-dimensional optical lattice"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>We observe dipolar relaxation resonances when the magnetic energy released during the inelastic collision matches an excitation towards higher-energy bands. Spectroscopy of these resonances for two orientations of the magnetic field provides a 3D band spectroscopy of the lattice.<\/p>\n\n\n\n<p>The narrowest resonance is registered for the lowest excitation energy. Its line shape is sensitive to the on-site interaction energy.<\/p>\n\n\n\n<p>We use such sensitivity to probe number squeezing in a Mott insulator.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image aligncenter size-full has-custom-border is-style-rounded wp-duotone-unset-1\" id=\"wp-block-themeisle-blocks-image-f70f9e74\" style=\"margin-top:var(--wp--preset--spacing--20);margin-right:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20);margin-left:var(--wp--preset--spacing--20)\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/gqm.lpl.univ-paris13.fr\/wp-content\/uploads\/2025\/11\/Article-Resonant-demagnetization-f2f60f.svg\" alt=\"\" class=\"wp-image-1690\" style=\"border-style:none;border-width:0px;border-radius:10px\"\/><figcaption class=\"wp-element-caption\">Dipolar relaxation only occurs provided the loss of Zeeman energy \u2206EZeeman matches a gain in orbital energy (band excitation).<\/figcaption><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>We study dipolar relaxation of a chromium Bose-Einstein condensate loaded into a three-dimensional (3D) optical lattice.<br \/>\n<a href=\"https:\/\/doi.org\/10.48550\/arXiv.1212.5469\">arXiv:1212.5469 (2012)<\/a>  \/  <a href=\"https:\/\/doi.org\/10.1103\/PhysRevA.87.051609\">Phys. Rev. A 87, 051609(R) (2013)<\/a><\/p>\n","protected":false},"author":3,"featured_media":1690,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[18,63,129],"tags":[267,79,26,31,61,42,44],"class_list":["post-1493","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-article","category-chromium","category-theory","tag-amodsen-chotia","tag-aurelie-de-paz","tag-bruno-laburthe-tolra","tag-etienne-marechal","tag-laurent-vernac","tag-olivier-gorceix","tag-paolo-pedri"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Resonant demagnetization of a dipolar Bose-Einstein condensate in a three-dimensional optical lattice - Magnetic Quantum Gases<\/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:\/\/gqm.lpl.univ-paris13.fr\/index.php\/2012\/12\/21\/resonant-demagnetization-of-a-dipolar-bose-einstein-condensate-in-a-three-dimensional-optical-lattice\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Resonant demagnetization of a dipolar Bose-Einstein condensate in a three-dimensional optical lattice - Magnetic Quantum Gases\" \/>\n<meta property=\"og:description\" content=\"We study dipolar relaxation of a chromium Bose-Einstein condensate loaded into a three-dimensional (3D) optical lattice. arXiv:1212.5469 (2012) \/ Phys. 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A 87, 051609(R) (2013)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/gqm.lpl.univ-paris13.fr\/index.php\/2012\/12\/21\/resonant-demagnetization-of-a-dipolar-bose-einstein-condensate-in-a-three-dimensional-optical-lattice\/\" \/>\n<meta property=\"og:site_name\" content=\"Magnetic Quantum Gases\" \/>\n<meta property=\"article:published_time\" content=\"2012-12-21T20:05:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-08T20:39:05+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin PASQUIOU\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin PASQUIOU\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/index.php\\\/2012\\\/12\\\/21\\\/resonant-demagnetization-of-a-dipolar-bose-einstein-condensate-in-a-three-dimensional-optical-lattice\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/index.php\\\/2012\\\/12\\\/21\\\/resonant-demagnetization-of-a-dipolar-bose-einstein-condensate-in-a-three-dimensional-optical-lattice\\\/\"},\"author\":{\"name\":\"Benjamin PASQUIOU\",\"@id\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/#\\\/schema\\\/person\\\/edd1441f419c30858a44ed007fc1fc79\"},\"headline\":\"Resonant demagnetization of a dipolar Bose-Einstein condensate in a three-dimensional optical lattice\",\"datePublished\":\"2012-12-21T20:05:00+00:00\",\"dateModified\":\"2025-11-08T20:39:05+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/index.php\\\/2012\\\/12\\\/21\\\/resonant-demagnetization-of-a-dipolar-bose-einstein-condensate-in-a-three-dimensional-optical-lattice\\\/\"},\"wordCount\":102,\"publisher\":{\"@id\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/index.php\\\/2012\\\/12\\\/21\\\/resonant-demagnetization-of-a-dipolar-bose-einstein-condensate-in-a-three-dimensional-optical-lattice\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Article-Resonant-demagnetization-f2f60f.svg\",\"keywords\":[\"Amodsen Chotia\",\"Aur\u00e9lie de Paz\",\"Bruno Laburthe-Tolra\",\"Etienne Mar\u00e9chal\",\"Laurent Vernac\",\"Olivier Gorceix\",\"Paolo Pedri\"],\"articleSection\":[\"Article\",\"Chromium\",\"Theory\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/index.php\\\/2012\\\/12\\\/21\\\/resonant-demagnetization-of-a-dipolar-bose-einstein-condensate-in-a-three-dimensional-optical-lattice\\\/\",\"url\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/index.php\\\/2012\\\/12\\\/21\\\/resonant-demagnetization-of-a-dipolar-bose-einstein-condensate-in-a-three-dimensional-optical-lattice\\\/\",\"name\":\"Resonant demagnetization of a dipolar Bose-Einstein condensate in a three-dimensional optical lattice - 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