{"id":228977,"date":"2026-01-14T01:25:11","date_gmt":"2026-01-14T07:25:11","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/01\/negative-energy-ghosts-flashing-in-space-could-reveal-new-physics"},"modified":"2026-01-14T01:25:11","modified_gmt":"2026-01-14T07:25:11","slug":"negative-energy-ghosts-flashing-in-space-could-reveal-new-physics","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/01\/negative-energy-ghosts-flashing-in-space-could-reveal-new-physics","title":{"rendered":"Negative Energy \u2018Ghosts\u2019 Flashing in Space Could Reveal New Physics"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/negative-energy-ghosts-flashing-in-space-could-reveal-new-physics.jpg\"><\/a><\/p>\n<p>A \u2018boom\u2019 of light that appears when a particle exceeds the speed of light set by a medium could, in other contexts, signal a kind of quantum instability that could trigger what\u2019s known as vacuum decay.<\/p>\n<p>If ever spotted in the emptiness of space, according to theoretical physicist Eugeny Babichev of the University of Paris-Saclay, the eerie blue glow of Cherenkov radiation could be interpreted as a manifestation of negative-energy <a href=\"https:\/\/doi.org\/10.1016\/j.nuclphysb.2024.116696\">ghost<\/a> perturbations.<\/p>\n<p>Why does it matter? Because our current theory of gravity is incomplete, and such a signal would offer rare insight into how spacetime behaves in regimes where existing theories break down, and potentially narrow the search for better models.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A \u2018boom\u2019 of light that appears when a particle exceeds the speed of light set by a medium could, in other contexts, signal a kind of quantum instability that could trigger what\u2019s known as vacuum decay. If ever spotted in the emptiness of space, according to theoretical physicist Eugeny Babichev of the University of Paris-Saclay, [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48,1617,8],"tags":[],"class_list":["post-228977","post","type-post","status-publish","format-standard","hentry","category-particle-physics","category-quantum-physics","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/228977","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=228977"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/228977\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=228977"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=228977"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=228977"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}