{"id":33,"date":"2020-10-06T09:18:12","date_gmt":"2020-10-06T09:18:12","guid":{"rendered":"http:\/\/localhost\/wp\/?page_id=33"},"modified":"2025-01-03T21:35:50","modified_gmt":"2025-01-03T21:35:50","slug":"grasian-eu","status":"publish","type":"page","link":"https:\/\/grasian.eu\/","title":{"rendered":"GRAvity, Spectroscopy and Interferometry with ultra-cold Atoms and Neutrons"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"33\" class=\"elementor elementor-33\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f89280c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f89280c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-dcf544b\" data-id=\"dcf544b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-f8ffb3b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f8ffb3b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-351e082\" data-id=\"351e082\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3f6acc9 elementor-widget elementor-widget-text-editor\" data-id=\"3f6acc9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>In the GRASIAN collaboration we pursue research with the lightest neutral particles\/atoms at lowest kinetic energies, nearly at rest. Subject of our work are hydrogen and antihydrogen, neutrons, muonium and positronium. Their quantum properties in the field of gravity, Casimir-Polder and Van-der-Waals potentials, precise optical and microwave spectroscopy are in the focus of our collaboration. GRASIAN combines experimental and theoretical activities of several groups and institutions:<\/p>\n<ul>\n<li>Institut Laue Langevin (ILL Grenoble): <i>V. Nesviszhevsky<\/i><\/li>\n<li>Laboratoire Kastler Brossel (LKB Paris): <i>F. Nez, S. Reynaud, P. Yzombard<br><\/i><\/li>\n<li>Stefan Meyer Institute (SMI Vienna): <i>E. Widmann<\/i><\/li>\n<li>University of Turku (UTU Turku): <i>S. Vasiliev<\/i><\/li>\n<li>Eidgen\u00f6ssische Technische Hochschule (ETH Z\u00fcrich): <i>P. Crivelli <\/i><\/li>\n<li><i>Lebedev Physical Institute (FIAN Moscow): A. Golovizin, A. Voronin<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (participation temporarily suspended)<br><\/i><\/li>\n<\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-45f0cd1\" data-id=\"45f0cd1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b686b79 elementor-widget elementor-widget-text-editor\" data-id=\"b686b79\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><b>We address several major questions of fundamental physics\u00a0<\/b><\/p><p>\u2022 Short range fundamental forces caused by dark matter, extra dimension, new light bosons, dark energy<\/p><p>\u2022 CPT and Lorentz invariance violation<\/p><p>\u2022 Quantum Electrodynamics (most precise theory)<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p class=\"nhsuk-card__description\">In the GRASIAN collaboration we pursue research with the lightest neutral particles\/atoms at lowest kinetic energies, nearly at rest. Subject [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"full-width-page.php","meta":[],"_links":{"self":[{"href":"https:\/\/grasian.eu\/index.php?rest_route=\/wp\/v2\/pages\/33"}],"collection":[{"href":"https:\/\/grasian.eu\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/grasian.eu\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/grasian.eu\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/grasian.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=33"}],"version-history":[{"count":58,"href":"https:\/\/grasian.eu\/index.php?rest_route=\/wp\/v2\/pages\/33\/revisions"}],"predecessor-version":[{"id":840,"href":"https:\/\/grasian.eu\/index.php?rest_route=\/wp\/v2\/pages\/33\/revisions\/840"}],"wp:attachment":[{"href":"https:\/\/grasian.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=33"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}