{"id":7598,"date":"2013-09-16T00:00:00","date_gmt":"2013-09-15T22:00:00","guid":{"rendered":"https:\/\/www.ieec.cat\/seminar-shape-of-clusters-of-galaxies-as-a-probe-of-screening-mechanisms-in-modified-gravity-not-translated-2\/"},"modified":"2023-01-17T15:10:42","modified_gmt":"2023-01-17T14:10:42","slug":"seminar-shape-of-clusters-of-galaxies-as-a-probe-of-screening-mechanisms-in-modified-gravity-not-translated","status":"publish","type":"post","link":"https:\/\/www.ieec.cat\/es\/seminar-shape-of-clusters-of-galaxies-as-a-probe-of-screening-mechanisms-in-modified-gravity-not-translated\/","title":{"rendered":"Seminar \u2013 Shape of clusters of galaxies as a probe of screening mechanisms in modified gravity [NOT TRANSLATED]"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00bb1&#8243; fullwidth=\u00bbon\u00bb _builder_version=\u00bb4.14.8&#8243; _module_preset=\u00bbdefault\u00bb background_image=\u00bb\/wp-content\/uploads\/2022\/04\/slider-corpo2.jpg\u00bb height=\u00bb114px\u00bb global_colors_info=\u00bb{}\u00bb][\/et_pb_section][et_pb_section fb_built=\u00bb1&#8243; 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global_colors_info=\u00bb{}\u00bb sticky_enabled=\u00bb0&#8243; custom_css_main_element=\u00bbdisplay: inline-block;\u00bb]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoiY3VzdG9tX21ldGFfZmVjaGFfZXZlbnRvIiwic2V0dGluZ3MiOnsiYmVmb3JlIjoiIiwiYWZ0ZXIiOiIiLCJlbmFibGVfaHRtbCI6Im9mZiJ9fQ==@[\/et_pb_text][et_pb_text _builder_version=\u00bb4.14.8&#8243; _dynamic_attributes=\u00bbcontent\u00bb _module_preset=\u00bbdefault\u00bb custom_margin=\u00bb0px|5px|0px||false|false\u00bb custom_padding=\u00bb0px||0px||false|false\u00bb hover_enabled=\u00bb0&#8243; global_colors_info=\u00bb{}\u00bb sticky_enabled=\u00bb0&#8243; custom_css_main_element=\u00bbdisplay: inline-block;\u00bb]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoiY3VzdG9tX21ldGFfaG9yYV9ldmVudG8iLCJzZXR0aW5ncyI6eyJiZWZvcmUiOiIiLCJhZnRlciI6IiIsImVuYWJsZV9odG1sIjoib2ZmIn19@[\/et_pb_text][et_pb_text _builder_version=\u00bb4.14.8&#8243; _dynamic_attributes=\u00bbcontent\u00bb _module_preset=\u00bbdefault\u00bb custom_margin=\u00bb0px||0px||false|false\u00bb custom_padding=\u00bb0px||0px||false|false\u00bb hover_enabled=\u00bb0&#8243; global_colors_info=\u00bb{}\u00bb sticky_enabled=\u00bb0&#8243; module_class=\u00bbevent-organizations\u00bb]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoiY3VzdG9tX21ldGFfb3JnYW5pemFjaW9uZXMiLCJzZXR0aW5ncyI6eyJiZWZvcmUiOiIiLCJhZnRlciI6IiIsImVuYWJsZV9odG1sIjoib2ZmIn19@[\/et_pb_text][et_pb_text _builder_version=\u00bb4.14.8&#8243; _dynamic_attributes=\u00bbcontent\u00bb _module_preset=\u00bbdefault\u00bb custom_margin=\u00bb0px||0px||false|false\u00bb custom_padding=\u00bb0px||0px||false|false\u00bb hover_enabled=\u00bb0&#8243; global_colors_info=\u00bb{}\u00bb sticky_enabled=\u00bb0&#8243;]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoiY3VzdG9tX21ldGFfbHVnYXJfZXZlbnRvIiwic2V0dGluZ3MiOnsiYmVmb3JlIjoiIiwiYWZ0ZXIiOiIiLCJlbmFibGVfaHRtbCI6Im9mZiJ9fQ==@[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00bb1&#8243; _builder_version=\u00bb4.14.8&#8243; _module_preset=\u00bbdefault\u00bb custom_margin=\u00bb0px||||false|false\u00bb custom_padding=\u00bb0px||||false|false\u00bb top_divider_color=\u00bbRGBA(255,255,255,0)\u00bb top_divider_height=\u00bb0px\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_row _builder_version=\u00bb4.14.8&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.14.8&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_text _builder_version=\u00bb4.14.8&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb]Several extensions of General Relativity and high energy physics intend to explain the accelerated expansion of the universe by including scalar fields as extra degrees of freedom.<\/p>\n<p>At present, there is a broad spectrum of theories that fulfill this requirement and at the same time have no effects at very small scales, which makes the able to pass solar system tests. In order to know if these scalar fields indeed exist, we need to find predictions at intermediate scales in between those involved in the expansion of the universe and the solar system (i.e. galaxies and galaxy clusters scales).<\/p>\n<p>I will summarize some of the properties of two particular families of scalar-tensor theories (symmetron and chameleon models) and I will show why observations of the shape of dark matter halos could help to disentangle between them.<\/p>\n<p>Contact email: liciaverde(a)gmail.com [NOT TRANSLATED][\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Several extensions of General Relativity and high energy physics intend to explain the accelerated expansion of the universe by including scalar fields as extra degrees of freedom. At present, there is a broad spectrum of theories that fulfill this requirement and at the same time have no effects at very small scales, which makes the [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"2880","footnotes":""},"categories":[95,73],"tags":[],"class_list":["post-7598","post","type-post","status-publish","format-standard","hentry","category-charla","category-eventos"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Seminar \u2013 Shape of clusters of galaxies as a probe of screening mechanisms in modified gravity [NOT TRANSLATED] - IEEC<\/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:\/\/www.ieec.cat\/es\/seminar-shape-of-clusters-of-galaxies-as-a-probe-of-screening-mechanisms-in-modified-gravity-not-translated\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Seminar \u2013 Shape of clusters of galaxies as a probe of screening mechanisms in modified gravity [NOT TRANSLATED] - IEEC\" \/>\n<meta property=\"og:description\" content=\"Several extensions of General Relativity and high energy physics intend to explain the accelerated expansion of the universe by including scalar fields as extra degrees of freedom. 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