{"id":1849,"date":"2014-05-01T07:00:40","date_gmt":"2014-05-01T07:00:40","guid":{"rendered":"http:\/\/casgroups.case.edu\/physics-senior-projects\/?p=1849"},"modified":"2017-01-26T22:40:53","modified_gmt":"2017-01-26T22:40:53","slug":"the-accelerating-universe-and-vacuum-energy","status":"publish","type":"post","link":"https:\/\/casgroups.case.edu\/physics-senior-projects\/the-accelerating-universe-and-vacuum-energy\/","title":{"rendered":"The Accelerating Universe and Vacuum Energy"},"content":{"rendered":"<h3 class=\"p4\" style=\"text-align: center\">Daniel Pfeffer with Claudia de Rham<\/h3>\n<h3 class=\"p5\" style=\"text-align: center\"><i>The Accelerating Universe and Vacuum Energy<\/i><\/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\">\u201dPoster\u201d<\/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-2113\" src=\"https:\/\/artscimedia.case.edu\/wp-content\/uploads\/sites\/176\/2014\/05\/15022455\/Pfeffer_deRahm.jpg\" alt=\"Bill's Template, Rules and Tips\" width=\"4032\" height=\"2592\" srcset=\"https:\/\/artscimedia.case.edu\/wp-content\/uploads\/sites\/176\/2014\/05\/15022455\/Pfeffer_deRahm.jpg 4032w, https:\/\/artscimedia.case.edu\/wp-content\/uploads\/sites\/176\/2014\/05\/15022455\/Pfeffer_deRahm-300x193.jpg 300w, https:\/\/artscimedia.case.edu\/wp-content\/uploads\/sites\/176\/2014\/05\/15022455\/Pfeffer_deRahm-768x494.jpg 768w, https:\/\/artscimedia.case.edu\/wp-content\/uploads\/sites\/176\/2014\/05\/15022455\/Pfeffer_deRahm-1024x658.jpg 1024w, https:\/\/artscimedia.case.edu\/wp-content\/uploads\/sites\/176\/2014\/05\/15022455\/Pfeffer_deRahm-500x321.jpg 500w\" sizes=\"(max-width: 4032px) 100vw, 4032px\" \/><\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n<p class=\"p11\">During his senior project, Daniel Pfeffer will investigate the acceleration of the Universe.<span class=\"Apple-converted-space\">\u00a0 <\/span>He will explore whether or not it is possible to screen the effect of a large vacuum energy and give rise the amount of acceleration currently observed by supernovae and other probes.<span class=\"Apple-converted-space\">\u00a0 <\/span>Some scalar field models have been proposed that can dynamically adapt for a large vacuum energy.<span class=\"Apple-converted-space\">\u00a0 <\/span>If such dynamics exist, it will be interesting to study their stabilities and their observational signatures.<\/p>\n<p class=\"p11\" style=\"text-align: center\"><a href=\"https:\/\/artscimedia.case.edu\/wp-content\/uploads\/sites\/176\/2014\/05\/15022517\/Pfeffer_deRahm.pdf\">Paper<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Daniel Pfeffer with Claudia de Rham<br \/>\n<i>The Accelerating Universe and Vacuum Energy<\/i><\/p>\n<p class=\"p11\">During his senior project, Daniel Pfeffer will investigate the acceleration of the Universe.\u00a0 He will explore whether or not it is possible to screen the effect of a large vacuum energy and give rise the amount of acceleration currently observed by supernovae and other probes.\u00a0 Some scalar field models have been proposed that can dynamically adapt for a large vacuum energy.\u00a0 If such dynamics exist, it will be interesting to study their stabilities and their observational signatures.<\/p>\n<p class=\"p11\" style=\"text-align: center\"><a href=\"https:\/\/artscimedia.case.edu\/wp-content\/uploads\/sites\/176\/2014\/05\/15022517\/Pfeffer_deRahm.pdf\">Paper<\/a><\/p>\n<p><a href=\"https:\/\/casgroups.case.edu\/physics-senior-projects\/the-accelerating-universe-and-vacuum-energy\/\" class=\"more-link\">Continue reading&#8230; <span class=\"screen-reader-text\">The Accelerating Universe and Vacuum Energy<\/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":[44,1,38,5,15,8],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/posts\/1849"}],"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=1849"}],"version-history":[{"count":6,"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/posts\/1849\/revisions"}],"predecessor-version":[{"id":3046,"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/posts\/1849\/revisions\/3046"}],"wp:attachment":[{"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/media?parent=1849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/categories?post=1849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casgroups.case.edu\/physics-senior-projects\/wp-json\/wp\/v2\/tags?post=1849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}