{"id":932,"date":"2015-01-16T11:13:18","date_gmt":"2015-01-16T02:13:18","guid":{"rendered":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/932\/"},"modified":"2015-01-16T11:13:18","modified_gmt":"2015-01-16T02:13:18","slug":"recent_results_on_renormalization-group_evolution_of_theories_with_gauge_fermion_and_scalar_fields","status":"publish","type":"seminar","link":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/932\/","title":{"rendered":"Recent Results on Renormalization-Group Evolution of Theories with Gauge, Fermion, and Scalar Fields"},"content":{"rendered":"<p>We will discuss the renormalization-group evolution of several types of theories, both asymptotically free and infrared-free: (i) an analysis of asymptotically free non-abelian gauge theories with various fermion contents, including higher-loop calculations of the IR zero of the beta function and anomalous dimension of the fermion bilinear, and comparison with lattice measurements; (ii) an investigation of a possible UV zero of the beta function for a U(1) gauge theories up to five-loop order; (iii) a similar study for an O(<i>N<\/i>) &amp;#955 |<b>&amp;#966<\/b>|<sup>4<\/sup> theory up to five-loop order; and (iv) an analysis of the RG flow diagram for a Yukawa theory in the space of quartic and Yukawa couplings.  We also discuss scheme transformations and their effect on a zero of the beta function calculated to higher-loop order.<\/p>\n","protected":false},"featured_media":0,"template":"","tags":[],"seminar_category":[53],"acf":{"s_now_accepting":true,"s_date_order":"2015-01-15 17:00:00","s_date_end":null,"s_date_text":"","s_text":"Robert Shrock","s_place":"KMI Science Symposia (ES635)","s_place_other":"","s_categoryother":"","s_poster":"<form mt:asset-id=\"896\" class=\"mt-enclosure mt-enclosure-file\" style=\"display: inline;\"><a href=\"\/eng\/seminar\/20150115_Shrock.pdf\">20150115_Shrock.pdf<\/a><\/form>","s_poster2":"<form mt:asset-id=\"398\" class=\"mt-enclosure mt-enclosure-image\" style=\"display: inline;\"><a href=\"\/eng\/seminar\/files\/images\/apple1.jpg\">apple1.jpg<\/a><\/form>","s_slide":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Recent Results on Renormalization-Group Evolution of Theories with Gauge, Fermion, and Scalar Fields - KMI - Nagoya University<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/932\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Recent Results on Renormalization-Group Evolution of Theories with Gauge, Fermion, and Scalar Fields - KMI - Nagoya University\" \/>\n<meta property=\"og:description\" content=\"We will discuss the renormalization-group evolution of several types of theories, both asymptotically free and infrared-free: (i) an analysis of asymptotically free non-abelian gauge theories with various fermion contents, including higher-loop calculations of the IR zero of the beta function and anomalous dimension of the fermion bilinear, and comparison with lattice measurements; (ii) an investigation of a possible UV zero of the beta function for a U(1) gauge theories up to five-loop order; (iii) a similar study for an O(N) &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/932\/\" \/>\n<meta property=\"og:site_name\" content=\"KMI - Nagoya University\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/932\/\",\"url\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/932\/\",\"name\":\"Recent Results on Renormalization-Group Evolution of Theories with Gauge, Fermion, and Scalar Fields - KMI - Nagoya University\",\"isPartOf\":{\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/#website\"},\"datePublished\":\"2015-01-16T02:13:18+00:00\",\"dateModified\":\"2015-01-16T02:13:18+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/932\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/932\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/932\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Seminars\",\"item\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Recent Results on Renormalization-Group Evolution of Theories with Gauge, Fermion, and Scalar Fields\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/#website\",\"url\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/\",\"name\":\"KMI - Nagoya University\",\"description\":\"Nagoya University: Kobayashi-Maskawa Institute for the Origin of Particles and the Universe (KMI)\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Recent Results on Renormalization-Group Evolution of Theories with Gauge, Fermion, and Scalar Fields - KMI - Nagoya University","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/932\/","og_locale":"en_US","og_type":"article","og_title":"Recent Results on Renormalization-Group Evolution of Theories with Gauge, Fermion, and Scalar Fields - KMI - Nagoya University","og_description":"We will discuss the renormalization-group evolution of several types of theories, both asymptotically free and infrared-free: (i) an analysis of asymptotically free non-abelian gauge theories with various fermion contents, including higher-loop calculations of the IR zero of the beta function and anomalous dimension of the fermion bilinear, and comparison with lattice measurements; 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