{"id":235121,"date":"2026-04-13T23:37:43","date_gmt":"2026-04-14T04:37:43","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/04\/a-tabletop-ring-of-atoms-brings-the-universes-doomsday-vacuum-collapse-into-the-lab"},"modified":"2026-04-13T23:37:43","modified_gmt":"2026-04-14T04:37:43","slug":"a-tabletop-ring-of-atoms-brings-the-universes-doomsday-vacuum-collapse-into-the-lab","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/04\/a-tabletop-ring-of-atoms-brings-the-universes-doomsday-vacuum-collapse-into-the-lab","title":{"rendered":"A tabletop ring of atoms brings the universe\u2019s doomsday vacuum collapse into the lab"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/a-tabletop-ring-of-atoms-brings-the-universes-doomsday-vacuum-collapse-into-the-lab3.jpg\"><\/a><\/p>\n<p>Physicists in China have simulated the effect of \u201cfalse vacuum decay\u201d: a phenomenon believed to play out constantly in the seemingly empty expanses of space, and which one theory even suggests could bring an abrupt end to the entire universe. In a paper published in <a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/kqzq-fnr4\" target=\"_blank\"><i>Physical Review Letters<\/i><\/a>, Yu-Xin Chao and colleagues at Tsinghua University, Beijing, mimicked the effect using a simple tabletop experiment.<\/p>\n<p>For now, quantum field theory is our most accurate framework for fundamental physics below the scale at which gravity becomes important. It predicts that there is no such thing as a perfect vacuum: while a given space may appear entirely empty, the theory suggests that it is actually just the lowest-energy state of a continuous quantum field.<\/p>\n<p>Since a quantum field can possess multiple local minima energy, this means that a seemingly stable local ground state may not be the most stable state possible for the field as a whole\u2014it is simply separated from a lower-energy, more stable state by an energy barrier, much as a valley may be separated from a deeper valley by a high mountain ridge.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Physicists in China have simulated the effect of \u201cfalse vacuum decay\u201d: a phenomenon believed to play out constantly in the seemingly empty expanses of space, and which one theory even suggests could bring an abrupt end to the entire universe. In a paper published in Physical Review Letters, Yu-Xin Chao and colleagues at Tsinghua University, [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,48,1617],"tags":[],"class_list":["post-235121","post","type-post","status-publish","format-standard","hentry","category-existential-risks","category-particle-physics","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/235121","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\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=235121"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/235121\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=235121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=235121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=235121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}