{"id":41429,"date":"2014-11-17T18:00:00","date_gmt":"2014-11-17T15:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=71c81d076da4cba3abcdff3f8acf6f7f"},"modified":"2014-11-17T18:00:00","modified_gmt":"2014-11-17T15:00:00","slug":"frequency-ratio-of-two-optical-clock-transitions-in-yb171-and-constraints-on-the-time-variation-of-fundamental-constants","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=41429","title":{"rendered":"Frequency Ratio of Two Optical Clock Transitions in Yb+171 and Constraints on the Time Variation of Fundamental Constants"},"content":{"rendered":"<p>Author(s): R.\u2009M. Godun, P.\u2009B.\u2009R. Nisbet-Jones, J.\u2009M. Jones, S.\u2009A. King, L.\u2009A.\u2009M. Johnson, H.\u2009S. Margolis, K. Szymaniec, S.\u2009N. Lea, K. Bongs, and P. Gill<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/publish.aps.org\/images\/icons\/physics_viewpoint.gif\" alt=\"Selected for a Viewpoint in Physics\"\/>  Single-ion clocks yield new limits on how much the proton-to-electron mass ratio and the fine structure constant change over time.<\/p>\n<p>[Phys. Rev. Lett. 113, 210801] Published Mon Nov 17, 2014<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Author(s): R.&thinsp;M. Godun, P.&thinsp;B.&thinsp;R. Nisbet-Jones, J.&thinsp;M. Jones, S.&thinsp;A. King, L.&thinsp;A.&thinsp;M. Johnson, H.&thinsp;S. Margolis, K. Szymaniec, S.&thinsp;N. Lea, K. Bongs, and P. Gill<\/p>\n<p>Single-ion clocks yield new limits on how much the proton-to-electron mass ratio and the fine structure constant change over time.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/publish.aps.org\/images\/icons\/physics_viewpoint.gif\" alt=\"Selected for a Viewpoint in Physics\"><br \/>[Phys. Rev. Lett. 113, 210801] Published Mon Nov 17, 2014<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","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":""},"categories":[182],"tags":[],"class_list":{"0":"post-41429","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-teadus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/41429","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=41429"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/41429\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=41429"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41429"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41429"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}