{"id":49,"date":"2014-10-29T13:55:57","date_gmt":"2014-10-29T11:55:57","guid":{"rendered":"http:\/\/phsites.technion.ac.il\/atomlab\/?page_id=49"},"modified":"2020-11-04T10:05:10","modified_gmt":"2020-11-04T08:05:10","slug":"oscillating-solitonvortex-ring","status":"publish","type":"page","link":"https:\/\/phsites.technion.ac.il\/atomlab\/research\/oscillating-solitonvortex-ring\/","title":{"rendered":"Oscillating soliton\/vortex ring"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Oscillating soliton\/vortex ring<\/h1>\n\n\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-89 size-medium\" style=\"margin: 2px;\" src=\"http:\/\/phsites.technion.ac.il\/atomlab\/wp-content\/uploads\/sites\/22\/2014\/10\/oscillatingsolitonvortexring-273x300.jpg\" alt=\"Oscillating soliton\/vortex ring\" width=\"273\" height=\"300\" align=\"right\" srcset=\"https:\/\/phsites.technion.ac.il\/atomlab\/wp-content\/uploads\/sites\/22\/2014\/10\/oscillatingsolitonvortexring-273x300.jpg 273w, https:\/\/phsites.technion.ac.il\/atomlab\/wp-content\/uploads\/sites\/22\/2014\/10\/oscillatingsolitonvortexring.jpg 558w\" sizes=\"auto, (max-width: 273px) 100vw, 273px\" \/>The matter-wave interference between two initially-separated Bose-Einstein condensates was a landmark observation, demonstrating phase-coherence.\u00a0 The collisional energy of the two condensates was sufficient that interactions between atoms could be neglected.\u00a0 But what happens when the two condensates are separated by a very small distance, on the order of one healing length?\u00a0 Interactions can no longer be neglected at such low collisional energies.\u00a0 We created such a situation using our high-resolution imaging.\u00a0 We observed that the matter wave interference pattern becomes a single pair of gray solitons.<\/p>\n<p>The story does not end here.\u00a0 It is generally known that a gray soliton is unstable in a 3D condensate.\u00a0 It should decay into a vortex ring.\u00a0 We found a different behavior, however.\u00a0 In the elongated condensate, each of the two solitons evolves into a vortex ring, and then back into a soliton.\u00a0 This process repeats periodically.\u00a0 Such a periodic oscillation between two qualitatively different forms seems to be a rare phenomenon.<\/p>\n\n\n<h2 class=\"wp-block-heading\">Related publication<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Shomroni, I., Lahoud, E., Levi, S. &amp; Steinhauer, J.&nbsp; Evidence for an oscillating soliton\/vortex ring by density engineering of a Bose-Einstein condensate.&nbsp; Nature Physics 5, 193 (2009).<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Oscillating soliton\/vortex ring The matter-wave interference between two initially-separated Bose-Einstein condensates was a landmark observation, demonstrating phase-coherence.\u00a0 The collisional energy of the two condensates was sufficient that interactions between atoms could be neglected.\u00a0 But what happens when the two condensates are separated by a very small distance, on the order of one healing length?\u00a0 Interactions &hellip;<\/p>\n","protected":false},"author":2,"featured_media":89,"parent":25,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"class_list":{"0":"post-49","1":"page","2":"type-page","3":"status-publish","4":"has-post-thumbnail","6":"entry"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Oscillating soliton\/vortex ring - Steinhauer Atomic Physics Laboratory<\/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:\/\/phsites.technion.ac.il\/atomlab\/research\/oscillating-solitonvortex-ring\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oscillating soliton\/vortex ring - Steinhauer Atomic Physics Laboratory\" \/>\n<meta property=\"og:description\" content=\"Oscillating soliton\/vortex ring The matter-wave interference between two initially-separated Bose-Einstein condensates was a landmark observation, demonstrating phase-coherence.\u00a0 The collisional energy of the two condensates was sufficient that interactions between atoms could be neglected.\u00a0 But what happens when the two condensates are separated by a very small distance, on the order of one healing length?\u00a0 Interactions &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/phsites.technion.ac.il\/atomlab\/research\/oscillating-solitonvortex-ring\/\" \/>\n<meta property=\"og:site_name\" content=\"Steinhauer Atomic Physics Laboratory\" \/>\n<meta property=\"article:modified_time\" content=\"2020-11-04T08:05:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/phsites.technion.ac.il\/atomlab\/wp-content\/uploads\/sites\/22\/2014\/10\/oscillatingsolitonvortexring.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"558\" \/>\n\t<meta property=\"og:image:height\" content=\"613\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/research\\\/oscillating-solitonvortex-ring\\\/\",\"url\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/research\\\/oscillating-solitonvortex-ring\\\/\",\"name\":\"Oscillating soliton\\\/vortex ring - Steinhauer Atomic Physics Laboratory\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/research\\\/oscillating-solitonvortex-ring\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/research\\\/oscillating-solitonvortex-ring\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/wp-content\\\/uploads\\\/sites\\\/22\\\/2014\\\/10\\\/oscillatingsolitonvortexring.jpg\",\"datePublished\":\"2014-10-29T11:55:57+00:00\",\"dateModified\":\"2020-11-04T08:05:10+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/research\\\/oscillating-solitonvortex-ring\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/research\\\/oscillating-solitonvortex-ring\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/research\\\/oscillating-solitonvortex-ring\\\/#primaryimage\",\"url\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/wp-content\\\/uploads\\\/sites\\\/22\\\/2014\\\/10\\\/oscillatingsolitonvortexring.jpg\",\"contentUrl\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/wp-content\\\/uploads\\\/sites\\\/22\\\/2014\\\/10\\\/oscillatingsolitonvortexring.jpg\",\"width\":558,\"height\":613,\"caption\":\"Oscillating soliton\\\/vortex ring\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/research\\\/oscillating-solitonvortex-ring\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Research Areas\",\"item\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/research\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Oscillating soliton\\\/vortex ring\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/#website\",\"url\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/\",\"name\":\"Steinhauer Atomic Physics Laboratory\",\"description\":\"Prof. Steinhauer Jeff - Atomic Physics Group\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/phsites.technion.ac.il\\\/atomlab\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Oscillating soliton\/vortex ring - Steinhauer Atomic Physics Laboratory","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/phsites.technion.ac.il\/atomlab\/research\/oscillating-solitonvortex-ring\/","og_locale":"en_US","og_type":"article","og_title":"Oscillating soliton\/vortex ring - Steinhauer Atomic Physics Laboratory","og_description":"Oscillating soliton\/vortex ring The matter-wave interference between two initially-separated Bose-Einstein condensates was a landmark observation, demonstrating phase-coherence.\u00a0 The collisional energy of the two condensates was sufficient that interactions between atoms could be neglected.\u00a0 But what happens when the two condensates are separated by a very small distance, on the order of one healing length?\u00a0 Interactions &hellip;","og_url":"https:\/\/phsites.technion.ac.il\/atomlab\/research\/oscillating-solitonvortex-ring\/","og_site_name":"Steinhauer Atomic Physics Laboratory","article_modified_time":"2020-11-04T08:05:10+00:00","og_image":[{"width":558,"height":613,"url":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-content\/uploads\/sites\/22\/2014\/10\/oscillatingsolitonvortexring.jpg","type":"image\/jpeg"}],"twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/phsites.technion.ac.il\/atomlab\/research\/oscillating-solitonvortex-ring\/","url":"https:\/\/phsites.technion.ac.il\/atomlab\/research\/oscillating-solitonvortex-ring\/","name":"Oscillating soliton\/vortex ring - Steinhauer Atomic Physics Laboratory","isPartOf":{"@id":"https:\/\/phsites.technion.ac.il\/atomlab\/#website"},"primaryImageOfPage":{"@id":"https:\/\/phsites.technion.ac.il\/atomlab\/research\/oscillating-solitonvortex-ring\/#primaryimage"},"image":{"@id":"https:\/\/phsites.technion.ac.il\/atomlab\/research\/oscillating-solitonvortex-ring\/#primaryimage"},"thumbnailUrl":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-content\/uploads\/sites\/22\/2014\/10\/oscillatingsolitonvortexring.jpg","datePublished":"2014-10-29T11:55:57+00:00","dateModified":"2020-11-04T08:05:10+00:00","breadcrumb":{"@id":"https:\/\/phsites.technion.ac.il\/atomlab\/research\/oscillating-solitonvortex-ring\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/phsites.technion.ac.il\/atomlab\/research\/oscillating-solitonvortex-ring\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/phsites.technion.ac.il\/atomlab\/research\/oscillating-solitonvortex-ring\/#primaryimage","url":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-content\/uploads\/sites\/22\/2014\/10\/oscillatingsolitonvortexring.jpg","contentUrl":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-content\/uploads\/sites\/22\/2014\/10\/oscillatingsolitonvortexring.jpg","width":558,"height":613,"caption":"Oscillating soliton\/vortex ring"},{"@type":"BreadcrumbList","@id":"https:\/\/phsites.technion.ac.il\/atomlab\/research\/oscillating-solitonvortex-ring\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/phsites.technion.ac.il\/atomlab\/"},{"@type":"ListItem","position":2,"name":"Research Areas","item":"https:\/\/phsites.technion.ac.il\/atomlab\/research\/"},{"@type":"ListItem","position":3,"name":"Oscillating soliton\/vortex ring"}]},{"@type":"WebSite","@id":"https:\/\/phsites.technion.ac.il\/atomlab\/#website","url":"https:\/\/phsites.technion.ac.il\/atomlab\/","name":"Steinhauer Atomic Physics Laboratory","description":"Prof. Steinhauer Jeff - Atomic Physics Group","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/phsites.technion.ac.il\/atomlab\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"featured_image_src":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-content\/uploads\/sites\/22\/2014\/10\/oscillatingsolitonvortexring.jpg","featured_image_src_square":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-content\/uploads\/sites\/22\/2014\/10\/oscillatingsolitonvortexring.jpg","_links":{"self":[{"href":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-json\/wp\/v2\/pages\/49","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-json\/wp\/v2\/comments?post=49"}],"version-history":[{"count":0,"href":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-json\/wp\/v2\/pages\/49\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-json\/wp\/v2\/pages\/25"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-json\/wp\/v2\/media\/89"}],"wp:attachment":[{"href":"https:\/\/phsites.technion.ac.il\/atomlab\/wp-json\/wp\/v2\/media?parent=49"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}