{"id":1623,"date":"2020-01-14T15:44:37","date_gmt":"2020-01-14T06:44:37","guid":{"rendered":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/?post_type=seminar&#038;p=1623"},"modified":"2021-07-13T14:52:10","modified_gmt":"2021-07-13T05:52:10","slug":"perturbations-of-bounce-scenario-from-ft-modified-gravity-revisited","status":"publish","type":"seminar","link":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1623\/","title":{"rendered":"Perturbations of bounce scenario from f(T) modified gravity revisited"},"content":{"rendered":"<p><span style=\"color: #ff0000\">** This seminar is canceled **<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #999999\">Speaker: Prof. Taotao Qiu (Central China Normal University)<\/span><br \/>\n<span style=\"color: #999999\">Title: Perturbations of bounce scenario from f(T) modified gravity revisited<\/span><br \/>\n<span style=\"color: #999999\">Date: Thursday, January 30, 2020, 17:00-18:00<\/span><br \/>\n<span style=\"color: #999999\">Venue: ES635<\/span><\/p>\n<p>\n<span style=\"color: #999999\">Abstract: In this talk, I will revisit the perturbations that are generated in the bounce scenario constructed within the framework of f(T) theory. I will show several conditions that f(T) bounce model must satisfy if it is going to avoid all the instabilities in any scales. By taking into account these conditions, we will show whether it is difficult or not to have bounce models within f(T) gravity, and how to get out of the possible difficulties.<\/span><\/p>\n<p><span style=\"color: #999999\">The seminar is being held jointly by\u00a0<a href=\"https:\/\/sites.google.com\/view\/qglab-en\/\" style=\"color: #999999\">QG-Lab.<\/a> and KMI.<\/span><\/p>\n","protected":false},"featured_media":0,"template":"","tags":[102],"seminar_category":[53],"acf":{"s_now_accepting":true,"s_date_order":"2020-01-30 17:00:00","s_date_end":null,"s_date_text":"Thursday, Jan 30, 2020","s_text":"Prof. Taotao Qiu (Central China Normal University)","s_place":"ES635 KMI Science Symposia","s_place_other":"","s_categoryother":"","s_poster":"","s_poster2":"","s_slide":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Perturbations of bounce scenario from f(T) modified gravity revisited - KMI - Nagoya University<\/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.kmi.nagoya-u.ac.jp\/eng\/seminar\/1623\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Perturbations of bounce scenario from f(T) modified gravity revisited - KMI - Nagoya University\" \/>\n<meta property=\"og:description\" content=\"** This seminar is canceled ** &nbsp; Speaker: Prof. Taotao Qiu (Central China Normal University) Title: Perturbations of bounce scenario from f(T) modified gravity revisited Date: Thursday, January 30, 2020, 17:00-18:00 Venue: ES635 Abstract: In this talk, I will revisit the perturbations that are generated in the bounce scenario constructed within the framework of f(T) theory. I will show several conditions that f(T) bounce model must satisfy if it is going to avoid all the instabilities in any scales. By &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1623\/\" \/>\n<meta property=\"og:site_name\" content=\"KMI - Nagoya University\" \/>\n<meta property=\"article:modified_time\" content=\"2021-07-13T05:52:10+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1623\/\",\"url\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1623\/\",\"name\":\"Perturbations of bounce scenario from f(T) modified gravity revisited - KMI - Nagoya University\",\"isPartOf\":{\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/#website\"},\"datePublished\":\"2020-01-14T06:44:37+00:00\",\"dateModified\":\"2021-07-13T05:52:10+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1623\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1623\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1623\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Seminars\",\"item\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Perturbations of bounce scenario from f(T) modified gravity revisited\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/#website\",\"url\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/\",\"name\":\"KMI - Nagoya University\",\"description\":\"Nagoya University: Kobayashi-Maskawa Institute for the Origin of Particles and the Universe (KMI)\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Perturbations of bounce scenario from f(T) modified gravity revisited - KMI - Nagoya University","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/1623\/","og_locale":"en_US","og_type":"article","og_title":"Perturbations of bounce scenario from f(T) modified gravity revisited - KMI - Nagoya University","og_description":"** This seminar is canceled ** &nbsp; Speaker: Prof. Taotao Qiu (Central China Normal University) Title: Perturbations of bounce scenario from f(T) modified gravity revisited Date: Thursday, January 30, 2020, 17:00-18:00 Venue: ES635 Abstract: In this talk, I will revisit the perturbations that are generated in the bounce scenario constructed within the framework of f(T) theory. 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