{"id":10779,"date":"2022-05-18T09:45:04","date_gmt":"2022-05-18T07:45:04","guid":{"rendered":"https:\/\/www.pi.infn.it\/?p=10779"},"modified":"2022-05-18T09:45:05","modified_gmt":"2022-05-18T07:45:05","slug":"microscopic-bounds-on-macroscopic-theories-francesco-riva-geneva-university","status":"publish","type":"post","link":"https:\/\/www.pi.infn.it\/?p=10779","title":{"rendered":"Microscopic Bounds on Macroscopic Theories (Francesco Riva &#8211; Geneva University)"},"content":{"rendered":"\n<div class=\"\"><strong>Abstract:<\/strong><br class=\"\" \/>\n<div class=\"\"><span class=\"\">Effective Field Theories (EFTs) appear everywhere there is a mass scale. They serve to simplify complex multiscale problems, and as general tools to parametrise the unknown or incalculable (e.g. the pion chiral Lagrangian, gravity, or physics beyond the standard model &#8211; BSM). <\/span>I will present how dispersion relations single out EFTs that originate from microscopic unitary theories, both at weak and at strong coupling. This reshapes the landscape of plausible physics BSM, and I will show that massive gravity, theories with isolated massive higher-spin particles, and theories with very irrelevant interactions, don\u2019t posses healthy UV completions.<\/div>\n<\/div>\n<div class=\"\">\n<div>\n<p>Il seminario si terr\u00e0 in Sala Galilei (stanza 131) e in modalit\u00e0 remota sulla piattaforma\u00a0 Zoom al seguente indirizzo:<\/p>\n<p><a class=\"moz-txt-link-freetext\" href=\"https:\/\/infn-it.zoom.us\/j\/84261721878?pwd=MDZNaGdBUlcvUUJXa2phSHZVZk5sdz09\">https:\/\/infn-it.zoom.us\/j\/84261721878?pwd=MDZNaGdBUlcvUUJXa2phSHZVZk5sdz09<\/a><br \/><br \/>ID riunione: 842 6172 1878<br \/>Passcode: 611379<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: Effective Field Theories (EFTs) appear everywhere there is a mass scale. They serve to simplify complex multiscale problems, and as general tools to parametrise the unknown or incalculable (e.g. the pion chiral Lagrangian, gravity, or physics beyond the standard model &#8211; BSM). I will present how dispersion relations single out EFTs that originate from [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":10780,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_links_to":"","_links_to_target":""},"categories":[8],"tags":[],"publishpress_future_action":{"enabled":false,"date":"2026-05-13 21:08:10","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"category"},"_links":{"self":[{"href":"https:\/\/www.pi.infn.it\/index.php?rest_route=\/wp\/v2\/posts\/10779"}],"collection":[{"href":"https:\/\/www.pi.infn.it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pi.infn.it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pi.infn.it\/index.php?rest_route=\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pi.infn.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10779"}],"version-history":[{"count":1,"href":"https:\/\/www.pi.infn.it\/index.php?rest_route=\/wp\/v2\/posts\/10779\/revisions"}],"predecessor-version":[{"id":10781,"href":"https:\/\/www.pi.infn.it\/index.php?rest_route=\/wp\/v2\/posts\/10779\/revisions\/10781"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pi.infn.it\/index.php?rest_route=\/wp\/v2\/media\/10780"}],"wp:attachment":[{"href":"https:\/\/www.pi.infn.it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10779"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pi.infn.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10779"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pi.infn.it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}