{"id":115796,"date":"2020-11-12T18:22:39","date_gmt":"2020-11-13T02:22:39","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2020\/11\/the-first-demonstration-of-phase-matching-between-an-electron-wave-and-a-light-wave"},"modified":"2020-11-12T18:22:39","modified_gmt":"2020-11-13T02:22:39","slug":"the-first-demonstration-of-phase-matching-between-an-electron-wave-and-a-light-wave","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2020\/11\/the-first-demonstration-of-phase-matching-between-an-electron-wave-and-a-light-wave","title":{"rendered":"The first demonstration of phase-matching between an electron wave and a light wave"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/the-first-demonstration-of-phase-matching-between-an-electron-wave-and-a-light-wave.jpg\"><\/a><\/p>\n<p>While researchers have conducted countless studies exploring the interaction between light waves and bound electron systems, the quantum interactions between free electrons and light have only recently become a topic of interest within the physics community. The observation of free electron-light interactions was facilitated by the discovery of a technique known as photon-induced near-field electron microscopy (PINEM).<\/p>\n<p>Although some experiments using PINEM methods have yielded interesting results, the free-electron <a href=\"https:\/\/phys.org\/tags\/light\/\" rel=\"tag\" class=\"\">light<\/a> interactions observed so far are fairly weak. This is mainly because PINEM methods gather localized and near-field measurements without addressing the velocity mismatch between free electrons and light, which is known to limit the strength of their interaction.<\/p>\n<p>Researchers at Technion\u2013Israel Institute of Technology have recently observed a <a href=\"https:\/\/phys.org\/tags\/strong+interaction\/\" rel=\"tag\" class=\"\">strong interaction<\/a> between free electron waves and <a href=\"https:\/\/phys.org\/tags\/light+waves\/\" rel=\"tag\" class=\"\">light waves<\/a>, using a hybrid electron microscope they developed. Their observation of coherent electron phase matching, which is also a type of inverse-Cherenkov interaction, demonstrates how the nature of electron wavefunctions can alter electron-light interactions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>While researchers have conducted countless studies exploring the interaction between light waves and bound electron systems, the quantum interactions between free electrons and light have only recently become a topic of interest within the physics community. The observation of free electron-light interactions was facilitated by the discovery of a technique known as photon-induced near-field electron [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1617],"tags":[],"class_list":["post-115796","post","type-post","status-publish","format-standard","hentry","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/115796","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=115796"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/115796\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=115796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=115796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=115796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}