{"189851":{"#nid":"189851","#data":{"type":"event","title":"Fate of the Kinetic Ising Model","body":[{"value":"\u003Ch5\u003ESchool of Physics Colloquium Series: Presenting Sidney Redner, Boston University\u003C\/h5\u003E\u003Cp\u003EWhat could possibly be new in the Ising model, arguably the most-studied model of statistical physics? \u0026nbsp;Plenty! \u0026nbsp;Consider the Ising model initially at infinite temperature that is suddenly cooled to zero temperature and evolves by single spin-flip dynamics. \u0026nbsp;What happens? \u0026nbsp;In one dimension, the ground state is always reached and the evolution can be solved exactly. \u0026nbsp;In two dimensions, the ground state is reached only about 2\/3 of the time, and the long-time evolution is characterized by two distinct time scales, the longer of which arises from topological defects. \u0026nbsp;In three dimensions, the ground state is never reached and the evolution is quite rich: (i) domains are topologically complex, with average genus growing algebraically with system size; (ii) the long-time state always contains \u0022blinker\u0022 spins that can flip ad infinitum with no energy cost; (iii) the relaxation time grows\u003Cbr \/\u003Eexponentially with system size.\u003C\/p\u003E","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"Sidney Redner of Boston University answers: What could be new in the Ising model, the most-studied model of statistical physics?"}],"uid":"27664","created_gmt":"2013-02-05 12:25:37","changed_gmt":"2016-10-08 02:02:28","author":"Alison Morain","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2013-02-25T14:00:00-05:00","event_time_end":"2013-02-25T15:00:00-05:00","event_time_end_last":"2013-02-25T15:00:00-05:00","gmt_time_start":"2013-02-25 19:00:00","gmt_time_end":"2013-02-25 20:00:00","gmt_time_end_last":"2013-02-25 20:00:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"related_links":[{"url":"http:\/\/www.physics.gatech.edu\/seminars-colloquia\/series\/physics-colloquium\/sidney-redner-20130225","title":"http:\/\/www.physics.gatech.edu\/seminars-colloquia\/series\/physics-colloquium\/..."},{"url":"http:\/\/physics.bu.edu\/people\/show\/redner","title":"http:\/\/physics.bu.edu\/people\/show\/redner"}],"groups":[],"categories":[],"keywords":[],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1795","name":"Seminar\/Lecture\/Colloquium"}],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[{"value":"\u003Cp\u003E\u003Ca href=\u0022mailto:alison.morain@physics.gatech.edu\u0022\u003Ealison.morain@physics.gatech.edu\u003C\/a\u003E\u003C\/p\u003E","format":"limited_html"}],"email":[],"slides":[],"orientation":[],"userdata":""}}}