{"id":119,"date":"2024-04-09T19:36:11","date_gmt":"2024-04-09T19:36:11","guid":{"rendered":"http:\/\/localhost:10043\/?p=119"},"modified":"2024-08-04T10:42:03","modified_gmt":"2024-08-04T10:42:03","slug":"eckart-peik","status":"publish","type":"post","link":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/eckart-peik\/","title":{"rendered":"Ekkart Peik\u00a0"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.ptb.de\/cms\/en\/ptb\/fachabteilungen\/abt4\/fb-44.html\" target=\"_blank\" rel=\"noreferrer noopener\">Time and Frequency Department<\/a>&nbsp;at the&nbsp;<a href=\"https:\/\/www.ptb.de\/cms\/en.html\" target=\"_blank\" rel=\"noreferrer noopener\">PTB in Braunschweig<\/a><\/p>\n\n\n\n<!--more-->\n\n\n\n<p class=\"wp-block-paragraph\">Ekkehard Peik is head of the\u00a0<a href=\"https:\/\/www.ptb.de\/cms\/en\/ptb\/fachabteilungen\/abt4\/fb-44.html\" target=\"_blank\" rel=\"noreferrer noopener\">Time and Frequency Department<\/a>\u00a0at the\u00a0<a href=\"https:\/\/www.ptb.de\/cms\/en.html\" target=\"_blank\" rel=\"noreferrer noopener\">PTB in Braunschweig<\/a><a href=\"https:\/\/www.mpi-hd.mpg.de\/blaum\/mpg-riken-ptb-center\/groups\/peik.en.html\"><\/a>,\u00a0Germany, where he is working on atomic clocks and timescales. His research is focussed on optical clocks with laser-cooled trapped ions and on nuclear laser spectroscopy of the Th-229 low-energy isomer, motivated by the prospects for a nuclear clock and tests of fundamental physics.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-query is-layout-flow wp-block-query-is-layout-flow\"><ul class=\"wp-block-post-template is-layout-flow wp-block-post-template-is-layout-flow\"><li class=\"wp-block-post post-119 post type-post status-publish format-standard has-post-thumbnail hentry category-invited-speaker tag-ekkart-peik\">\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-3a88641f 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:25%\"><figure class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/eckart-peik\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"147\" height=\"147\" src=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/04\/Ekkehard-Peik-1.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Ekkart Peik\u00a0\" style=\"object-fit:cover;\" data-attachment-id=\"197\" data-permalink=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/eckart-peik\/ekkehard-peik-1\/\" data-orig-file=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/04\/Ekkehard-Peik-1.jpg\" data-orig-size=\"147,147\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"Ekkehard-Peik-1\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/04\/Ekkehard-Peik-1.jpg\" \/><\/a><\/figure><\/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:75%\">\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-f0b6b26e wp-block-group-is-layout-flex\"><h2 class=\"wp-block-post-title has-large-font-size\"><a href=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/eckart-peik\/\" target=\"_self\" >Ekkart Peik\u00a0<\/a><\/h2>\n\n<div style=\"text-decoration:underline\" class=\"taxonomy-category wp-block-post-terms\"><a href=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/category\/conference\/speakers\/invited-speaker\/\" rel=\"tag\">Invited Speaker<\/a><\/div>\n\n<div style=\"text-decoration:underline\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/tag\/ekkart-peik\/\" rel=\"tag\">Ekkart Peik<\/a><\/div>\n\n<div class=\"wp-block-post-excerpt has-small-font-size\"><p class=\"wp-block-post-excerpt__excerpt\">Time and Frequency Department&nbsp;at the&nbsp;PTB in Braunschweig <a class=\"wp-block-post-excerpt__more-link\" href=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/eckart-peik\/\">(more)<\/a><\/p><\/div><\/div>\n<\/div>\n<\/div>\n\n<\/li><li class=\"wp-block-post post-775 post type-post status-publish format-standard has-post-thumbnail hentry category-presentation-videos category-invited-talk tag-ekkart-peik\">\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-3a88641f 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:25%\"><figure class=\"wp-block-post-featured-image\"><a href=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/laser-excitation-of-the-th-229-nucleus\/\" target=\"_self\"  ><img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"600\" src=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/07\/Thorium-wikipendia.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Laser Excitation of the Th-229 Nucleus\" style=\"object-fit:cover;\" srcset=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/07\/Thorium-wikipendia.png 558w, https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/07\/Thorium-wikipendia-279x300.png 279w\" sizes=\"auto, (max-width: 558px) 100vw, 558px\" data-attachment-id=\"952\" data-permalink=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/laser-excitation-of-the-th-229-nucleus\/thorium-wikipendia\/\" data-orig-file=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/07\/Thorium-wikipendia.png\" data-orig-size=\"558,600\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Thorium-wikipendia\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/07\/Thorium-wikipendia.png\" \/><\/a><\/figure><\/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:75%\">\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-f0b6b26e wp-block-group-is-layout-flex\"><h2 class=\"wp-block-post-title has-large-font-size\"><a href=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/laser-excitation-of-the-th-229-nucleus\/\" target=\"_self\" >Laser Excitation of the Th-229 Nucleus<\/a><\/h2>\n\n<div style=\"text-decoration:underline\" class=\"taxonomy-category wp-block-post-terms\"><a href=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/category\/conference\/presentation-videos\/\" rel=\"tag\">Conference Videos<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/category\/conference\/talks\/invited-talk\/\" rel=\"tag\">Invited Talk<\/a><\/div>\n\n<div style=\"text-decoration:underline\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/tag\/ekkart-peik\/\" rel=\"tag\">Ekkart Peik<\/a><\/div>\n\n<div class=\"wp-block-post-excerpt has-small-font-size\"><p class=\"wp-block-post-excerpt__excerpt\">The low-energy nuclear isomer state in Th-229 is resonantly excited in Th-doped calciumfluoride crystals using a tabletop tunable laser system at 148 nm wavelength. The experiment&hellip; <a class=\"wp-block-post-excerpt__more-link\" href=\"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/laser-excitation-of-the-th-229-nucleus\/\">(more)<\/a><\/p><\/div><\/div>\n<\/div>\n<\/div>\n\n<\/li><\/ul><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Time and Frequency Department&nbsp;at the&nbsp;PTB in Braunschweig<\/p>\n","protected":false},"author":1,"featured_media":197,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[13],"tags":[89],"class_list":["post-119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-invited-speaker","tag-ekkart-peik"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/04\/Ekkehard-Peik-1.jpg","jetpack-related-posts":[{"id":775,"url":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/laser-excitation-of-the-th-229-nucleus\/","url_meta":{"origin":119,"position":0},"title":"Laser Excitation of the Th-229 Nucleus","author":"wvk_3vn943","date":"June 24, 2024","format":false,"excerpt":"The low-energy nuclear isomer state in Th-229 is resonantly excited in Th-doped calciumfluoride crystals using a tabletop tunable laser system at 148 nm wavelength. The experiment is performed by a cooperation of PTB and TU Wien [1]. \u00a0A resonance fluorescence signal is observed in two crystals withdifferent Th-229 dopant concentrations,\u2026","rel":"","context":"In &quot;Conference Videos&quot;","block_context":{"text":"Conference Videos","link":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/category\/conference\/presentation-videos\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/07\/Thorium-wikipendia.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/07\/Thorium-wikipendia.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/07\/Thorium-wikipendia.png?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":692,"url":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/invited-talk-continuous-bose-einstein-condensation-and-continuously-operating-optical-clocks\/","url_meta":{"origin":119,"position":1},"title":"Continuous\u00a0Bose-Einstein condensation\u00a0and continuously-operating optical clocks","author":"wvk_3vn943","date":"June 17, 2024","format":false,"excerpt":"The talk will be given by Ananya Sitaram. Ultracold quantum gases are excellent platforms for quantum simulation and sensing. So far these gases have been produced using time-sequential cooling stages and after creation they unfortunately decay through unavoidable loss processes. This limits what can be done with them. For example\u2026","rel":"","context":"In &quot;Invited Talk&quot;","block_context":{"text":"Invited Talk","link":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/category\/conference\/talks\/invited-talk\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/06\/schreck.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/06\/schreck.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/06\/schreck.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/06\/schreck.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/06\/schreck.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":1267,"url":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/schach-patrik-exploring-tunneling-times-with-ramsey-clocks\/","url_meta":{"origin":119,"position":2},"title":"SCHACH PATRIK: Exploring Tunneling Times with Ramsey Clocks","author":"wvk_3vn943","date":"August 11, 2024","format":false,"excerpt":"SCHACH PATRIK Exploring Tunneling Times with Ramsey ClocksDownload","rel":"","context":"In &quot;Contributed Talks&quot;","block_context":{"text":"Contributed Talks","link":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/category\/conference\/talks\/contributed-talk\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1613,"url":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/summer-school-posters\/","url_meta":{"origin":119,"position":3},"title":"Summer School Posters","author":"wvk_3vn943","date":"September 1, 2024","format":false,"excerpt":"MONDAY 1BARBERI ALICETheory of a continuous atom laser2BARCKLAY RACHEL BARCKLAYBroadband Clock Atom Interferometry for Gravity Gradiometry3BHADANE ANURAGAtom interferometry in microgravity on long time scales4BIGARD CLARAOptimal Floquet Engineering for Large Scale Atom Interferometers5B\u00d6HRINGER SAMUELTheoretical Description of Beamsplitters and Mirrors in Potentials via Oscillator Equations6BOUCHER OSCARCold ytterbium atoms\u2019 source for atom interferometry7DATH\u2026","rel":"","context":"In &quot;Student Poster&quot;","block_context":{"text":"Student Poster","link":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/category\/summer-school\/student-poster\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":159,"url":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/florian-schreck\/","url_meta":{"origin":119,"position":4},"title":"Florian Schreck","author":"wvk_3vn943","date":"April 9, 2024","format":false,"excerpt":"University of Amsterdam, The Netherlands Prof.\u00a0Florian Schreck\u00a0works on\u00a0quantum sensors, simulators and computers based on ultracold strontium gases. These devices exploit quantum properties to perform tasks that are out of reach for classical devices.\u00a0His research group\u00a0recently\u00a0achieved continuous\u00a0Bose-Einstein condensation, a great starting point for future continuous atom lasers that are useful for\u2026","rel":"","context":"In \"Florian Schreck\"","block_context":{"text":"Florian Schreck","link":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/tag\/schreck-florian\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/04\/Florian-Schreck.jpeg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":1791,"url":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/thursday-12-septemberwednesday-11-september-conference-programme\/","url_meta":{"origin":119,"position":5},"title":"Thursday 12 September: Conference Programme","author":"wvk_3vn943","date":"September 12, 2024","format":false,"excerpt":"KEYNOTE: Alice Sinatra Thursday 12 September 2024, 09:30\u2009\u2013\u200910:15 Nonlocal correlations and quantum gain in multiparameter estimation Thursday 12 September 2024, 10:15\u2009\u2013\u200910:45 SCHACH PATRIK: Exploring Tunneling Times with Ramsey Clocks Contributed Thursday 12 September 2024, 10:45\u2009\u2013\u200911:15 DI PUMPO FABIO: Effective field theory for atoms and its applications in matter-wave interferometry COFFEE\u2026","rel":"","context":"In &quot;Programmes&quot;","block_context":{"text":"Programmes","link":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/category\/conference\/programmes\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/09\/ScreenShotXXX-10.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/09\/ScreenShotXXX-10.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/09\/ScreenShotXXX-10.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.matterwaveoptics.eu\/FOMO2024\/wp-content\/uploads\/2024\/09\/ScreenShotXXX-10.png?resize=700%2C400&ssl=1 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-json\/wp\/v2\/posts\/119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-json\/wp\/v2\/comments?post=119"}],"version-history":[{"count":6,"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-json\/wp\/v2\/posts\/119\/revisions"}],"predecessor-version":[{"id":1127,"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-json\/wp\/v2\/posts\/119\/revisions\/1127"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-json\/wp\/v2\/media\/197"}],"wp:attachment":[{"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-json\/wp\/v2\/media?parent=119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-json\/wp\/v2\/categories?post=119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2024\/wp-json\/wp\/v2\/tags?post=119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}