{"id":1785,"date":"2015-05-01T22:00:00","date_gmt":"2015-05-01T22:00:00","guid":{"rendered":"http:\/\/casgroups.case.edu\/physics-senior-projects\/?p=1785"},"modified":"2016-06-17T15:13:18","modified_gmt":"2016-06-17T15:13:18","slug":"orientation-waves-in-colloidal-crystals","status":"publish","type":"post","link":"https:\/\/casgroups.case.edu\/physics-senior-projects\/orientation-waves-in-colloidal-crystals\/","title":{"rendered":"Orientation Waves in Colloidal Crystals"},"content":{"rendered":"<h3 class=\"style21\" align=\"center\"><span class=\"style22\">Rachel Capelouto with Rolfe Petschek<\/span><\/h3>\n<h3 align=\"center\"><span class=\"style21\"><span class=\"style20\"><em>Orientation Waves in Colloidal Crystals<\/em><\/span><\/span><\/h3>\n<div class=\"panel panel-default\">\n\t\t\t\t<div class=\"panel-heading\">\n\t\t\t\t\t<h4 class=\"panel-title\">\n\t\t\t\t\t\t<a class=\"collapsed\" data-toggle=\"collapse\" data-parent=\"#single-collapse\" href=\"#single-collapse-0\">Poster<\/a>\n\t\t\t\t\t<\/h4>\n\t\t\t\t<\/div>\n\t\t\t\t<div id=\"single-collapse-0\" class=\"panel-collapse collapse\">\n\t\t\t\t\t<div class=\"panel-body\">\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-2068\" src=\"https:\/\/artscimedia.case.edu\/wp-content\/uploads\/sites\/176\/2015\/05\/15022520\/Capelouto_Petschek.jpg\" alt=\"Formatted for 36x56\" width=\"16451\" height=\"10525\" srcset=\"https:\/\/artscimedia.case.edu\/wp-content\/uploads\/sites\/176\/2015\/05\/15022520\/Capelouto_Petschek.jpg 16451w, https:\/\/artscimedia.case.edu\/wp-content\/uploads\/sites\/176\/2015\/05\/15022520\/Capelouto_Petschek-300x192.jpg 300w, https:\/\/artscimedia.case.edu\/wp-content\/uploads\/sites\/176\/2015\/05\/15022520\/Capelouto_Petschek-768x491.jpg 768w, https:\/\/artscimedia.case.edu\/wp-content\/uploads\/sites\/176\/2015\/05\/15022520\/Capelouto_Petschek-1024x655.jpg 1024w, https:\/\/artscimedia.case.edu\/wp-content\/uploads\/sites\/176\/2015\/05\/15022520\/Capelouto_Petschek-500x320.jpg 500w\" sizes=\"(max-width: 16451px) 100vw, 16451px\" \/><br \/> <\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n<p>Crystals are usually thought of as the condensation of density waves.\u00a0 However, in some systems, notably blue phase liquid crystals, and, according to recent results in our group also hard tetrahedra, the formation of a crystal comes from the condensation of an \u201cOrientation Wave\u201d in which the<em>orientation<\/em> of the constituent parts vary periodically, and this periodic variation condenses.\u00a0 We will analyze results from the Glotzer group at U. Michigan of the computer simulation of the statistical mechanics of by writing a fast running program in \u201cC\u201d that will quickly analyze the formation and condensation of orientation waves.\u00a0\u00a0 A program that reproduces the results of an earlier Mathematica program will be written and used to analyze configurations from simulations of hard polyhedra.\u00a0 Various such configurations will be analyzed.\u00a0 In addition, a program will be written that will allow the analysis of and display of the angular relationships between various wavevectors that have large orientation waves, probably as an addition to an existing program written by Michael Engel at U. Michigan.\u00a0 \u00a0These programs will be used to help understand the effects of orientation waves in hard particle systems, particularly particles whose shapes are or are close to tetrahedra.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rachel Capelouto with Rolfe Petschek<em>Orientation Waves in Colloidal Crystals<\/em><\/p>\n<p>Crystals are usually thought of as the condensation of density waves.\u00a0 However, in some systems, notably blue phase liquid crystals, and, according to recent results in our group also hard tetrahedra, the formation of a crystal comes from the condensation of an \u201cOrientation Wave\u201d in which the<em>orientation<\/em> of the constituent parts vary periodically, and this periodic variation condenses.\u00a0 We will analyze results from the Glotzer group at U. Michigan of the computer simulation of the statistical mechanics of by writing a fast running program in \u201cC\u201d that will quickly analyze the formation and condensation of orientation waves.\u00a0\u00a0<\/p>\n<p><a href=\"https:\/\/casgroups.case.edu\/physics-senior-projects\/orientation-waves-in-colloidal-crystals\/\" class=\"more-link\">Continue reading&#8230; <span class=\"screen-reader-text\">Orientation Waves in Colloidal Crystals<\/span><\/a><\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[43,1,39,5,4],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/posts\/1785"}],"collection":[{"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/comments?post=1785"}],"version-history":[{"count":4,"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/posts\/1785\/revisions"}],"predecessor-version":[{"id":2069,"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/posts\/1785\/revisions\/2069"}],"wp:attachment":[{"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/media?parent=1785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/categories?post=1785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/tags?post=1785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}