{"id":1567,"date":"2003-11-29T23:14:00","date_gmt":"2003-11-29T22:14:00","guid":{"rendered":"https:\/\/gqm.lpl.univ-paris13.fr\/?p=1567"},"modified":"2025-11-08T13:22:56","modified_gmt":"2025-11-08T12:22:56","slug":"observation-of-reduced-three-body-recombination-in-a-correlated-1d-degenerate-bose-gas","status":"publish","type":"post","link":"https:\/\/gqm.lpl.univ-paris13.fr\/index.php\/2003\/11\/29\/observation-of-reduced-three-body-recombination-in-a-correlated-1d-degenerate-bose-gas\/","title":{"rendered":"Observation of reduced three-body recombination in a correlated 1D degenerate Bose gas"},"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 measure the three-body recombination rate for both the BEC in the magnetic trap and the BEC loaded into the optical lattice.<\/p>\n\n\n\n<p>The recombination rate coefficient is a factor of 7 smaller in the lattice, which we interpret as a reduction in the local three-body correlation function in the 1D case.<\/p>\n\n\n\n<p>This is a signature of correlation intermediate between that of the uncorrelated, phase coherent, 1D, mean-field regime and the strongly correlated Tonks-Girardeau regime.<\/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-723b7592\" 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-3-body-recombination-6c58fc.svg\" alt=\"\" class=\"wp-image-1592\" style=\"border-style:none;border-width:0px;border-radius:10px\"\/><figcaption class=\"wp-element-caption\">Number as a function of time in the tight magnetic trap (no 2D lattice). The solid line is a fit to the decay, and the dashed line is an extrapolation of the asymptotic 1-body loss.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>We investigate the correlation properties of a one-dimensional interacting Bose gas by loading a magnetically trapped Bose-Einstein condensate (BEC) into a deep two-dimensional optical lattice.<br \/>\n<a href=\"https:\/\/doi.org\/10.48550\/arXiv.cond-mat\/0312003\">arXiv:0312003 (2003)<\/a>  \/  <a href=\"https:\/\/doi.org\/10.1103\/PhysRevLett.92.190401\">Phys. Rev. Lett. 92, 190401 (2004)<\/a><\/p>\n","protected":false},"author":3,"featured_media":1592,"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],"tags":[26,285,30,315,313,317],"class_list":["post-1567","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-article","tag-bruno-laburthe-tolra","tag-j-v-porto","tag-john-h-huckans","tag-k-m-ohara","tag-s-l-roston","tag-w-d-phillips"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Observation of reduced three-body recombination in a correlated 1D degenerate Bose gas - 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\/2003\/11\/29\/observation-of-reduced-three-body-recombination-in-a-correlated-1d-degenerate-bose-gas\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Observation of reduced three-body recombination in a correlated 1D degenerate Bose gas - Magnetic Quantum Gases\" \/>\n<meta property=\"og:description\" content=\"We investigate the correlation properties of a one-dimensional interacting Bose gas by loading a magnetically trapped Bose-Einstein condensate (BEC) into a deep two-dimensional optical lattice. arXiv:0312003 (2003) \/ Phys. Rev. Lett. 92, 190401 (2004)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/gqm.lpl.univ-paris13.fr\/index.php\/2003\/11\/29\/observation-of-reduced-three-body-recombination-in-a-correlated-1d-degenerate-bose-gas\/\" \/>\n<meta property=\"og:site_name\" content=\"Magnetic Quantum Gases\" \/>\n<meta property=\"article:published_time\" content=\"2003-11-29T22:14:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-08T12:22:56+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\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\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\\\/2003\\\/11\\\/29\\\/observation-of-reduced-three-body-recombination-in-a-correlated-1d-degenerate-bose-gas\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/index.php\\\/2003\\\/11\\\/29\\\/observation-of-reduced-three-body-recombination-in-a-correlated-1d-degenerate-bose-gas\\\/\"},\"author\":{\"name\":\"Benjamin PASQUIOU\",\"@id\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/#\\\/schema\\\/person\\\/edd1441f419c30858a44ed007fc1fc79\"},\"headline\":\"Observation of reduced three-body recombination in a correlated 1D degenerate Bose gas\",\"datePublished\":\"2003-11-29T22:14:00+00:00\",\"dateModified\":\"2025-11-08T12:22:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/index.php\\\/2003\\\/11\\\/29\\\/observation-of-reduced-three-body-recombination-in-a-correlated-1d-degenerate-bose-gas\\\/\"},\"wordCount\":120,\"publisher\":{\"@id\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/index.php\\\/2003\\\/11\\\/29\\\/observation-of-reduced-three-body-recombination-in-a-correlated-1d-degenerate-bose-gas\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/gqm.lpl.univ-paris13.fr\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/Article-3-body-recombination-6c58fc.svg\",\"keywords\":[\"Bruno Laburthe-Tolra\",\"J. 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