{"id":150470,"date":"2022-11-18T14:24:02","date_gmt":"2022-11-18T20:24:02","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2022\/11\/physicists-study-how-universes-might-bubble-up-and-collide"},"modified":"2022-11-18T14:24:02","modified_gmt":"2022-11-18T20:24:02","slug":"physicists-study-how-universes-might-bubble-up-and-collide","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2022\/11\/physicists-study-how-universes-might-bubble-up-and-collide","title":{"rendered":"Physicists Study How Universes Might Bubble Up and Collide"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/physicists-study-how-universes-might-bubble-up-and-collide2.jpg\"><\/a><\/p>\n<p>Circa 2021 <span class=\"wp-smiley emoji emoji-face_with_colon_three\" title=\":3\">face_with_colon_three<\/span> <\/p>\n<hr>\n<p>In the cosmological context, space can get similarly stuck in a false vacuum state. A speck of false vacuum will occasionally relax into true vacuum (likely through a random quantum event), and this true vacuum will balloon outward as a swelling bubble, feasting on the false vacuum\u2019s excess energy, in a process called false vacuum decay. It\u2019s this process that may have started our cosmos with a bang. \u201cA vacuum bubble could have been the first event in the history of our universe,\u201d said <a href=\"https:\/\/www.ucl.ac.uk\/cosmoparticle\/hiranya-peiris\">Hiranya Peiris<\/a>, a cosmologist at University College London.<\/p>\n<p>But physicists struggle mightily to predict how vacuum bubbles behave. A bubble\u2019s future depends on countless minute details that add up. Bubbles also change rapidly \u2014 their walls approach the speed of light as they fly outward \u2014 and feature quantum mechanical randomness and waviness. Different assumptions about these processes give conflicting predictions, with no way to tell which ones might resemble reality. It\u2019s as though \u201cyou\u2019ve taken a lot of things that are just very hard for physicists to deal with and mushed them all together and said, \u2018Go ahead and figure out what\u2019s going on,\u2019\u201d Braden said.<\/p>\n<p>Since they can\u2019t prod actual vacuum bubbles in the multiverse, physicists have sought digital and physical analogs of them.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Circa 2021 face_with_colon_three In the cosmological context, space can get similarly stuck in a false vacuum state. A speck of false vacuum will occasionally relax into true vacuum (likely through a random quantum event), and this true vacuum will balloon outward as a swelling bubble, feasting on the false vacuum\u2019s excess energy, in a process [\u2026]<\/p>\n","protected":false},"author":513,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,1617],"tags":[],"class_list":["post-150470","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/150470","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\/513"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=150470"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/150470\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=150470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=150470"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=150470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}