{"id":200493,"date":"2024-11-30T13:24:07","date_gmt":"2024-11-30T19:24:07","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/11\/cosmological-model-proposes-dark-matter-production-during-pre-big-bang-inflation"},"modified":"2024-11-30T13:24:07","modified_gmt":"2024-11-30T19:24:07","slug":"cosmological-model-proposes-dark-matter-production-during-pre-big-bang-inflation","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/11\/cosmological-model-proposes-dark-matter-production-during-pre-big-bang-inflation","title":{"rendered":"Cosmological model proposes dark matter production during pre-Big Bang inflation"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/cosmological-model-proposes-dark-matter-production-during-pre-big-bang-inflation2.jpg\"><\/a><\/p>\n<p>As physicists continue their struggle to find and explain the origin of dark matter, the approximately 80% of the matter in the universe that we can\u2019t see and so far haven\u2019t been able to detect, researchers have now proposed a model where it is produced before the Big Bang.<\/p>\n<p>Their idea is that dark matter would be produced during a infinitesimally short inflationary phase when the size of the universe quickly expanded exponentially. The new model was <a href=\"https:\/\/link.aps.org\/doi\/10.1103\/PhysRevLett.133.211001\" target=\"_blank\">published<\/a> in <i>Physical Review Letters<\/i> by three scientists from Texas in the US.<\/p>\n<p>An intriguing idea among cosmologists is that dark matter was produced through its interaction with a thermal bath of some species, and its abundance is created by \u201cfreeze-out\u201d or \u201cfreeze-in.\u201d In the freeze-out scenario, dark matter is in chemical equilibrium with the bath at the earliest times\u2014the concentration of each does not change with time.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>As physicists continue their struggle to find and explain the origin of dark matter, the approximately 80% of the matter in the universe that we can\u2019t see and so far haven\u2019t been able to detect, researchers have now proposed a model where it is produced before the Big Bang. Their idea is that dark matter [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,33,219],"tags":[],"class_list":["post-200493","post","type-post","status-publish","format-standard","hentry","category-chemistry","category-cosmology","category-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/200493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/662"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=200493"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/200493\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=200493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=200493"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=200493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}