{"id":255925,"date":"2016-08-05T02:00:00","date_gmt":"2016-08-04T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=201ce4a06ddf3f7dbac76e90186b8908"},"modified":"2016-08-05T02:00:00","modified_gmt":"2016-08-04T23:00:00","slug":"understanding-zero-point-energy-in-the-context-of-classical-electromagnetism","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=255925","title":{"rendered":"Understanding zero-point energy in the context of classical electromagnetism"},"content":{"rendered":"<p>Today\u2019s textbooks of electromagnetism give the particular solution to Maxwell\u2019s equations involving<br \/>\nthe integral over the charge and current sources at retarded times. However, the texts fail to<br \/>\nemphasise that the choice of the incoming-wave boundary conditions corresponding to solutions of the<br \/>\nhomogeneous Maxwell equations must be made based upon experiment. Here we discuss the role of these<br \/>\nincoming-wave boundary conditions for an experimenter with a hypothetical charged harmonic<br \/>\noscillator as his equipment. We describe the observations of the experimenter when located near a<br \/>\nradio station or immersed in thermal radiation at temperature T . The classical physicists at the<br \/>\nend of the 19th century chose the incoming-wave boundary conditions for the homogeneous Maxwell<br \/>\nequations based upon the experimental observations of Lummer and Pringsheim which measured only the<br \/>\nthermal radiation which exceeded the random radiation surrounding their measuring equipment; the<br \/>\nphysicists &#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today\u2019s textbooks of electromagnetism give the particular solution to Maxwell\u2019s equations involving<br \/>\nthe integral over the charge and current sources at retarded times. However, the texts fail to<br \/>\nemphasise that the choice of the incoming-wave boun&#8230;<\/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":[178],"tags":[],"class_list":{"0":"post-255925","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/255925","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=255925"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/255925\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=255925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=255925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=255925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}