{"id":7,"date":"2026-03-04T10:50:08","date_gmt":"2026-03-04T10:50:08","guid":{"rendered":"https:\/\/pc.fhi-berlin.mpg.de\/ucls\/?page_id=7"},"modified":"2026-04-16T07:28:29","modified_gmt":"2026-04-16T07:28:29","slug":"home","status":"publish","type":"page","link":"https:\/\/pc.fhi-berlin.mpg.de\/ucls\/","title":{"rendered":"Home"},"content":{"rendered":"\n<h3 class=\"wp-block-heading has-text-align-center\">Welcome to the Ultrafast Core-Level Spectroscopy Group!<\/h3>\n\n\n\n<!--pc_groupsite_slideshow.php start of pc_groupsite_slideshow_callback()-->\n<div class=\"uk-margin-auto uk-overflow-hidden \" style=\"width: 500px;\" data-uk-slideshow=\"autoplay: true; autoplay-interval: 5000; center: true; finite: false; pause-on-hover: false; animation: fade\">\n                            <div class=\"uk-position-relative uk-visible-toggle \" style=\"width: 500px; height: 300px\" tabindex=\"-1\">\n                                <ul class=\"uk-height-1-1 uk-overflow-hidden uk-slideshow-items \"><li class=\"uk-width-1-1 uk-overflow-hidden\" style=\"width: 500px; height: 300px;\"><div class=\"uk-overflow-hidden uk-backgrosund-fixed uk-flex uk-flex-center uk-flex-middle uk-background-cover \" data-src=\"https:\/\/pc.fhi-berlin.mpg.de\/ucls\/wp-content\/uploads\/2026\/03\/ARR-PCFs.png\" style=\"width: 500px; height: 300px;\" data-uk-img><div class=\"uk-overlay uk-padding-small uk-position-bottom uk-text-center\" style=\"color: black; background: #413c35cc\"><h3 class=\"uk-margin-remove pc-color-white pc-white-link pc-underline-link\">ARR-PCFs<\/h3><\/div><\/div><\/li><li class=\"uk-width-1-1 uk-overflow-hidden\" style=\"width: 500px; height: 300px;\"><div class=\"uk-overflow-hidden uk-backgrosund-fixed uk-flex uk-flex-center uk-flex-middle uk-background-cover \" data-src=\"https:\/\/pc.fhi-berlin.mpg.de\/ucls\/wp-content\/uploads\/2026\/03\/Lab.jpg\" style=\"width: 500px; height: 300px;\" data-uk-img><div class=\"uk-overlay uk-padding-small uk-position-bottom uk-text-center\" style=\"color: black; background: #92887ecc\"><h3 class=\"uk-margin-remove pc-color-white pc-white-link pc-underline-link\">LAB<\/h3><\/div><\/div><\/li><li class=\"uk-width-1-1 uk-overflow-hidden\" style=\"width: 500px; height: 300px;\"><div class=\"uk-overflow-hidden uk-backgrosund-fixed uk-flex uk-flex-center uk-flex-middle uk-background-cover \" data-src=\"https:\/\/pc.fhi-berlin.mpg.de\/ucls\/wp-content\/uploads\/2026\/03\/IPDFG-scaled.png\" style=\"width: 500px; height: 300px;\" data-uk-img><div class=\"uk-overlay uk-padding-small uk-position-bottom uk-text-center\" style=\"color: black; background: #f5f4f7cc\"><h3 class=\"uk-margin-remove pc-color-black pc-black-link pc-underline-link\">IP-DFG<\/h3><\/div><\/div><\/li><\/ul><a class=\"uk-position-center-left uk-position-small uk-hidden-hover\" href=\"#\" uk-slidenav-previous uk-slideshow-item=\"previous\"><\/a>\n                        <a class=\"uk-position-center-right uk-position-small uk-hidden-hover\" href=\"#\" uk-slidenav-next uk-slideshow-item=\"next\"><\/a><\/div><ul class=\"uk-slideshow-nav uk-dotnav uk-flex-center uk-margin-small\"><\/ul><\/div>\n<!--pc_groupsite_slideshow.php end of pc_groupsite_slideshow_callback()-->\n\n\n\n\n<p>Our group focuses on understanding the fundamental processes governing light\u2013matter interactions in strongly correlated systems on femtosecond and attosecond timescales. Using time-resolved soft X-ray absorption spectroscopy, we probe element-specific core-level transitions to directly track the evolution of electronic and lattice dynamics following photoexcitation. At the Department of Physical Chemistry of Prof. Dr. Martin Wolf, we have partnered with <a href=\"https:\/\/www.icfo.eu\/research-group\/13\/auo\/home\/437\/\">Prof. Dr. Jens Biegert (ICFO, Barcelona)<\/a> to develop a cutting-edge bright table-top soft-X-ray beamline and enable real-time studies of dynamic interactions in many-body quantum systems.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">New<\/h3>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Welcome to the Ultrafast Core-Level Spectroscopy Group! Our group focuses on understanding the fundamental processes governing light\u2013matter interactions in strongly correlated systems on femtosecond and attosecond timescales. Using time-resolved soft X-ray absorption spectroscopy, we probe element-specific core-level transitions to directly track the evolution of electronic and lattice dynamics following photoexcitation. At the Department of Physical [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-news.php","meta":{"pc_test_meta":"","_wp_page_template":"template-news.php","_pc_groupsite_showsInMenu":true,"_pc_groupsite_internal_hide_warning":false,"_pc_groupsite_internal_hide_header":false,"_pc_groupsite_visibleInternally":false,"_pc_groupsite_fullWidthPage":false,"_pc_groupsite_showChildpageHeadings":false,"_pc_groupsite_showChildpageShort":false,"_pc_groupsite_showChildpageMenu":false,"_pc_groupsite_people_format":"","_pc_groupsite_textAlign":"","_pc_groupsite_contentWidth":"","_pc_groupsite_news_cat":"","_pc_groupsite_news_count":0,"_pc_groupsite_pub_show_journal":false,"_pc_groupsite_pub_show_book":false,"_pc_groupsite_pub_show_thesis":false,"_pc_groupsite_pub_show_dataset":false,"_pc_groupsite_pub_years_hidden":false,"_pc_groupsite_pub_numbering":"","_pc_groupsite_pub_merge_years_before":"","_pc_groupsite_people_type":"","_pc_groupsite_people_position":"","_pc_groupsite_people_responsibilities":"","_pc_groupsite_people_email":"","_pc_groupsite_people_phone":"","_pc_groupsite_people_link":"","_pc_groupsite_people_hide_menu":false,"_pc_groupsite_people_hide_photo":false,"_pc_groupsite_people_img_pos":"","_pc_groupsite_people_img_pos_x":0,"_pc_groupsite_people_img_pos_y":0,"_pc_groupsite_people_img_scale":0,"_pc_groupsite_pub_type":"","_pc_groupsite_pub_title":"","_pc_groupsite_pub_authors":"","_pc_groupsite_pub_journal":"","_pc_groupsite_pub_doi":"","_pc_groupsite_pub_openaccess":"","_pc_groupsite_pub_openaccess_name":"","_pc_groupsite_pub_date":"","_pc_groupsite_pub_dataset":"","_pc_groupsite_pub_dataset_name":"","footnotes":""},"class_list":["post-7","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/pc.fhi-berlin.mpg.de\/ucls\/wp-json\/wp\/v2\/pages\/7","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pc.fhi-berlin.mpg.de\/ucls\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pc.fhi-berlin.mpg.de\/ucls\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pc.fhi-berlin.mpg.de\/ucls\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pc.fhi-berlin.mpg.de\/ucls\/wp-json\/wp\/v2\/comments?post=7"}],"version-history":[{"count":34,"href":"https:\/\/pc.fhi-berlin.mpg.de\/ucls\/wp-json\/wp\/v2\/pages\/7\/revisions"}],"predecessor-version":[{"id":318,"href":"https:\/\/pc.fhi-berlin.mpg.de\/ucls\/wp-json\/wp\/v2\/pages\/7\/revisions\/318"}],"wp:attachment":[{"href":"https:\/\/pc.fhi-berlin.mpg.de\/ucls\/wp-json\/wp\/v2\/media?parent=7"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}