{"id":1515,"date":"2021-06-11T16:32:00","date_gmt":"2021-06-11T16:32:00","guid":{"rendered":"https:\/\/astro.uc.cl\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/"},"modified":"2022-07-21T19:59:23","modified_gmt":"2022-07-21T19:59:23","slug":"the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin","status":"publish","type":"charlas","link":"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/","title":{"rendered":"The thermodynamics of rotating black hole clusters &#8211; Yuri Levin"},"content":{"rendered":"\n<p><strong>The thermodynamics of rotating black hole clusters Yuri Levin Center for Computational Astrophysics, Flariton Institute<\/strong> Statistical physics has a bad track record in describing large-N gravitational systems. It has become clear over the last several years that there is a remarkable exception to this rule. Resonant relaxation due to orbit-averaged secular dynamics in galactic nuclei drives them to states of thermal and rotational equilibria on an astronomically short timescale. Statistical physics becomes a powerful, yet under-appreciated tool to study such systems. I will introduce the general formalism (due mostly to Touma and Tremaine, but going as far back as Lynden-Bell), as well as a novel numerical algorithm for finding equilibria due to Andrei Gruzinov. There are fun applications: phase transitions leading to lopsided precessing equilibria (such as the nucleus of Andromeda), and strong clustering in eccentricity and inclination of stellar-mass black holes. I will use statistical physics to argue that secular-dynamical friction must exist and that moreover, it plays a huge role in galactic nuclei, turning rotating clusters into flywheels that control the orbits of all heavy objects inside them, such as stellar discs and IMBHs. I will speculate on its effect on the spin of the supermassive black hole itself.<\/p>\n","protected":false},"featured_media":1101,"template":"","meta":[],"categorias_charlas":[58],"class_list":["post-1515","charlas","type-charlas","status-publish","has-post-thumbnail","hentry","categorias_charlas-coloquios"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The thermodynamics of rotating black hole clusters - Yuri Levin - Instituto de Astrof\u00edsica<\/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:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The thermodynamics of rotating black hole clusters - Yuri Levin - Instituto de Astrof\u00edsica\" \/>\n<meta property=\"og:description\" content=\"The thermodynamics of rotating black hole clusters Yuri Levin Center for Computational Astrophysics, Flariton Institute Statistical physics has a bad track record in describing large-N gravitational systems. It has become clear over the last several years that there is a remarkable exception to this rule. Resonant relaxation due to orbit-averaged secular dynamics in galactic nuclei [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/\" \/>\n<meta property=\"og:site_name\" content=\"Instituto de Astrof\u00edsica\" \/>\n<meta property=\"article:modified_time\" content=\"2022-07-21T19:59:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/astro.uc.cl\/wp-content\/uploads\/2022\/07\/sdss_pie.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"696\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/\",\"url\":\"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/\",\"name\":\"The thermodynamics of rotating black hole clusters - Yuri Levin - Instituto de Astrof\u00edsica\",\"isPartOf\":{\"@id\":\"https:\/\/astro.uc.cl\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/astro.uc.cl\/wp-content\/uploads\/2022\/07\/sdss_pie.jpeg\",\"datePublished\":\"2021-06-11T16:32:00+00:00\",\"dateModified\":\"2022-07-21T19:59:23+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/#primaryimage\",\"url\":\"https:\/\/astro.uc.cl\/wp-content\/uploads\/2022\/07\/sdss_pie.jpeg\",\"contentUrl\":\"https:\/\/astro.uc.cl\/wp-content\/uploads\/2022\/07\/sdss_pie.jpeg\",\"width\":700,\"height\":696},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Portada\",\"item\":\"https:\/\/astro.uc.cl\/en\/inicio\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Charlas\",\"item\":\"https:\/\/astro.uc.cl\/en\/charlas\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"The thermodynamics of rotating black hole clusters &#8211; Yuri Levin\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/astro.uc.cl\/en\/#website\",\"url\":\"https:\/\/astro.uc.cl\/en\/\",\"name\":\"Instituto de Astrof\u00edsica\",\"description\":\"Facultad de F\u00edsica\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/astro.uc.cl\/en\/?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":"The thermodynamics of rotating black hole clusters - Yuri Levin - Instituto de Astrof\u00edsica","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:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/","og_locale":"en_US","og_type":"article","og_title":"The thermodynamics of rotating black hole clusters - Yuri Levin - Instituto de Astrof\u00edsica","og_description":"The thermodynamics of rotating black hole clusters Yuri Levin Center for Computational Astrophysics, Flariton Institute Statistical physics has a bad track record in describing large-N gravitational systems. It has become clear over the last several years that there is a remarkable exception to this rule. Resonant relaxation due to orbit-averaged secular dynamics in galactic nuclei [&hellip;]","og_url":"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/","og_site_name":"Instituto de Astrof\u00edsica","article_modified_time":"2022-07-21T19:59:23+00:00","og_image":[{"width":700,"height":696,"url":"https:\/\/astro.uc.cl\/wp-content\/uploads\/2022\/07\/sdss_pie.jpeg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/","url":"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/","name":"The thermodynamics of rotating black hole clusters - Yuri Levin - Instituto de Astrof\u00edsica","isPartOf":{"@id":"https:\/\/astro.uc.cl\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/#primaryimage"},"image":{"@id":"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/#primaryimage"},"thumbnailUrl":"https:\/\/astro.uc.cl\/wp-content\/uploads\/2022\/07\/sdss_pie.jpeg","datePublished":"2021-06-11T16:32:00+00:00","dateModified":"2022-07-21T19:59:23+00:00","breadcrumb":{"@id":"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/#primaryimage","url":"https:\/\/astro.uc.cl\/wp-content\/uploads\/2022\/07\/sdss_pie.jpeg","contentUrl":"https:\/\/astro.uc.cl\/wp-content\/uploads\/2022\/07\/sdss_pie.jpeg","width":700,"height":696},{"@type":"BreadcrumbList","@id":"https:\/\/astro.uc.cl\/en\/charlas\/the-thermodynamics-of-rotating-black-hole-clusters-yuri-levin\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Portada","item":"https:\/\/astro.uc.cl\/en\/inicio\/"},{"@type":"ListItem","position":2,"name":"Charlas","item":"https:\/\/astro.uc.cl\/en\/charlas\/"},{"@type":"ListItem","position":3,"name":"The thermodynamics of rotating black hole clusters &#8211; Yuri Levin"}]},{"@type":"WebSite","@id":"https:\/\/astro.uc.cl\/en\/#website","url":"https:\/\/astro.uc.cl\/en\/","name":"Instituto de Astrof\u00edsica","description":"Facultad de F\u00edsica","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/astro.uc.cl\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/astro.uc.cl\/en\/wp-json\/wp\/v2\/charlas\/1515","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/astro.uc.cl\/en\/wp-json\/wp\/v2\/charlas"}],"about":[{"href":"https:\/\/astro.uc.cl\/en\/wp-json\/wp\/v2\/types\/charlas"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astro.uc.cl\/en\/wp-json\/wp\/v2\/media\/1101"}],"wp:attachment":[{"href":"https:\/\/astro.uc.cl\/en\/wp-json\/wp\/v2\/media?parent=1515"}],"wp:term":[{"taxonomy":"categorias_charlas","embeddable":true,"href":"https:\/\/astro.uc.cl\/en\/wp-json\/wp\/v2\/categorias_charlas?post=1515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}