{"id":954,"date":"2015-07-15T16:27:29","date_gmt":"2015-07-15T07:27:29","guid":{"rendered":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/954\/"},"modified":"2015-07-15T16:27:29","modified_gmt":"2015-07-15T07:27:29","slug":"20150714_karch","status":"publish","type":"seminar","link":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/954\/","title":{"rendered":"Scaling laws for thermo-electric transport at quantum criticality"},"content":{"rendered":"

Transport properties at quantum critical points are strongly constrained by dimensional analysis. They are typically governed by two critical exponents: the dynamical critical exponent z determining the relative scaling of spatial and temporal coordinates and the hyperscaling violating exponent theta. We will show that in general response to electromagnetic fields requires a third exponent, an anomalous dimension for the coupling to background fields. We show that this exponent is generically non-zero in critical points constructed via holography and discuss its potential relevance to the physics of cuprates.<\/p>\n","protected":false},"featured_media":0,"template":"","tags":[],"seminar_category":[55],"acf":{"s_now_accepting":true,"s_date_order":"2015-07-14 17:00:00","s_date_end":null,"s_date_text":"","s_text":"Andreas Karch","s_place":"KMI Science Symposia (ES635)","s_place_other":"","s_categoryother":"KMI-EHQG Joint Colloquium","s_poster":"

20150714_Karch_poster.pdf<\/a><\/form>","s_poster2":"20150714_Karch_poster_BB.jpg<\/a><\/form>","s_slide":""},"yoast_head":"\nScaling laws for thermo-electric transport at quantum criticality - 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\/954\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Scaling laws for thermo-electric transport at quantum criticality - KMI - Nagoya University\" \/>\n<meta property=\"og:description\" content=\"Transport properties at quantum critical points are strongly constrained by dimensional analysis. They are typically governed by two critical exponents: the dynamical critical exponent z determining the relative scaling of spatial and temporal coordinates and the hyperscaling violating exponent theta. We will show that in general response to electromagnetic fields requires a third exponent, an anomalous dimension for the coupling to background fields. 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