{"id":123261,"date":"2015-09-25T02:00:00","date_gmt":"2015-09-24T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=45acf8ccd366c927528e9706795846fd"},"modified":"2015-09-25T02:00:00","modified_gmt":"2015-09-24T23:00:00","slug":"lorentz-covariance-almost-implies-electromagnetism-and-more","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=123261","title":{"rendered":"Lorentz covariance \u2018almost\u2019 implies electromagnetism and more"},"content":{"rendered":"<p>Beginning from two simple assumptions, (i) the speed of light is a universal constant, or its<br \/>\nequivalent, the spacetime intervals are Lorentz invariant, and (ii) there are mutually interacting<br \/>\nparticles, with a covariant \u2018source-field\u2019 equation, one arrives at a class of field equations of<br \/>\nwhich the standard electromagnetism (EM) and electrodynamics are special cases. The formalism,<br \/>\ndepending on how one formulates the source-field equation, allows one to speculate magnetic<br \/>\nmonopoles, massive photons, nonlinear EMs, and more.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Beginning from two simple assumptions, (i) the speed of light is a universal constant, or its<br \/>\nequivalent, the spacetime intervals are Lorentz invariant, and (ii) there are mutually interacting<br \/>\nparticles, with a covariant \u2018source-field\u2019 equation, &#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-123261","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\/123261","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=123261"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/123261\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=123261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=123261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=123261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}