{"id":381,"date":"2016-05-03T02:26:39","date_gmt":"2016-05-03T02:26:39","guid":{"rendered":"http:\/\/pages.charlotte.edu\/colloquium\/?p=381"},"modified":"2016-05-03T02:26:39","modified_gmt":"2016-05-03T02:26:39","slug":"wednesday-may-4th-at-200pm-math-conference-room","status":"publish","type":"post","link":"https:\/\/pages.charlotte.edu\/colloquium\/blog\/2016\/05\/03\/wednesday-may-4th-at-200pm-math-conference-room\/","title":{"rendered":"Wednesday May 4th, at 2:00PM  Math Conference room"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td><a href=\"https:\/\/sites.google.com\/site\/thudso\/\">Thomas Hudson<\/a>,\u00a0CERMICS &#8211; \u00c9cole des Ponts ParisTech<\/td>\n<\/tr>\n<tr>\n<td>Title: Stability and motion of screw dislocations in a lattice model<\/td>\n<\/tr>\n<tr>\n<td>Abstract:Dislocations are defects found in crystalline solids, and their motion provides a mechanism through which such materials may plastically deform. In this talk, I will present a series of results concerning a lattice model in which configurations containing screw dislocations may be identified as local minima of a certain energy. Based upon this description, a stochastic model is then proposed for thermally-driven dislocation motion. In the limit of low temperature, a Large Deviations Principle for the evolution can be found, showing that the most probable trajectory of the system is along solutions of a generalized gradient flow. These results provide a first rigorous identification of a regime in which Discrete Dislocation Dynamics models, commonly simulated by Materials Scientists in practice, is valid.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Thomas Hudson,\u00a0CERMICS &#8211; \u00c9cole des Ponts ParisTech Title: Stability and motion of screw dislocations in a lattice model Abstract:Dislocations are defects found in crystalline solids, and their motion provides a mechanism through which such materials may plastically deform. In this talk, I will present a series of results concerning a lattice model in which configurations [&hellip;]<\/p>\n","protected":false},"author":333,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-381","post","type-post","status-publish","format-standard","hentry","category-spring-2022"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p3kCtT-69","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/pages.charlotte.edu\/colloquium\/wp-json\/wp\/v2\/posts\/381","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pages.charlotte.edu\/colloquium\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pages.charlotte.edu\/colloquium\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pages.charlotte.edu\/colloquium\/wp-json\/wp\/v2\/users\/333"}],"replies":[{"embeddable":true,"href":"https:\/\/pages.charlotte.edu\/colloquium\/wp-json\/wp\/v2\/comments?post=381"}],"version-history":[{"count":1,"href":"https:\/\/pages.charlotte.edu\/colloquium\/wp-json\/wp\/v2\/posts\/381\/revisions"}],"predecessor-version":[{"id":382,"href":"https:\/\/pages.charlotte.edu\/colloquium\/wp-json\/wp\/v2\/posts\/381\/revisions\/382"}],"wp:attachment":[{"href":"https:\/\/pages.charlotte.edu\/colloquium\/wp-json\/wp\/v2\/media?parent=381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pages.charlotte.edu\/colloquium\/wp-json\/wp\/v2\/categories?post=381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pages.charlotte.edu\/colloquium\/wp-json\/wp\/v2\/tags?post=381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}