{"id":224861,"date":"2025-11-11T00:15:21","date_gmt":"2025-11-11T06:15:21","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/11\/turning-the-faint-quantum-glow-of-empty-space-into-a-measurable-flash"},"modified":"2025-11-11T00:15:21","modified_gmt":"2025-11-11T06:15:21","slug":"turning-the-faint-quantum-glow-of-empty-space-into-a-measurable-flash","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/11\/turning-the-faint-quantum-glow-of-empty-space-into-a-measurable-flash","title":{"rendered":"Turning the faint quantum \u2018glow\u2019 of empty space into a measurable flash"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/turning-the-faint-quantum-glow-of-empty-space-into-a-measurable-flash2.jpg\"><\/a><\/p>\n<p>Researchers from Stockholm University and the Indian Institute of Science Education and Research (IISER) Mohali have reported a practical way to spot one of physics\u2019 strangest predictions: the Unruh effect, which says that an object speeding up (accelerating) would perceive empty space as faintly warm. But, trying to heat something up by accelerating it unimaginably fast is a nonstarter in the lab. The team has shown how to convert that tiny effect into a clear, timestamped flash of light.<\/p>\n<p>Here\u2019s the simple picture. Imagine a group of atoms between two parallel mirrors. The mirrors can either speed up or slow down light emission from the atoms. When these atoms cooperate, they can emit together like a choir\u2014much louder than solo singers. This collective outburst is called superradiance.<\/p>\n<p>The new study explains how the acceleration-induced warmth of empty space, if experienced by the atoms, quietly nudges them so that the choir\u2019s burst happens earlier than it would for atoms sitting still. That earlier-than-expected flash becomes a clean, easy-to-spot signature of the Unruh effect. The work, co-authored with Kinjalk Lochan and Sandeep K. Goyal of IISER Mohali, is now <a href=\"https:\/\/link.aps.org\/doi\/10.1103\/6z1l-kkmk\" target=\"_blank\">published<\/a> in Physical Review Letters.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers from Stockholm University and the Indian Institute of Science Education and Research (IISER) Mohali have reported a practical way to spot one of physics\u2019 strangest predictions: the Unruh effect, which says that an object speeding up (accelerating) would perceive empty space as faintly warm. But, trying to heat something up by accelerating it unimaginably [\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],"tags":[],"class_list":["post-224861","post","type-post","status-publish","format-standard","hentry","category-particle-physics","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224861","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=224861"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224861\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=224861"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=224861"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=224861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}