{"id":239534,"date":"2026-06-24T06:24:06","date_gmt":"2026-06-24T11:24:06","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/06\/horizon-edge-states-gain-finite-description-in-string-theory-calculation"},"modified":"2026-06-24T06:24:06","modified_gmt":"2026-06-24T11:24:06","slug":"horizon-edge-states-gain-finite-description-in-string-theory-calculation","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/06\/horizon-edge-states-gain-finite-description-in-string-theory-calculation","title":{"rendered":"Horizon edge states gain finite description in string theory calculation"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/horizon-edge-states-gain-finite-description-in-string-theory-calculation.jpg\"><\/a><\/p>\n<p>Modern physics theories highlight the key role of horizons\u2014boundaries beyond which information cannot reach an observer\u2014in a variety of cosmological and gravitational phenomena. Two renowned examples of these boundaries are event horizons in black holes and the cosmological horizon of the de Sitter spacetime, a model of an expanding universe with a positive vacuum energy.<\/p>\n<p>Many quantum theories predict the existence of quantum states or excitations in the proximity of horizons, which are known as edge modes. Edge modes are additional degrees of freedom that can emerge when space is divided into two distinct regions. Rather than being distributed throughout space, they are typically localized near or on the boundary that divides the two regions.<\/p>\n<p>Researchers at the Abdus Salam International Center for Theoretical Physics and the University of Amsterdam recently set out to calculate the contribution of edge modes to the Euclidean partition function, a quantity that encodes information about all possible quantum states of a system and their statistical properties.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Modern physics theories highlight the key role of horizons\u2014boundaries beyond which information cannot reach an observer\u2014in a variety of cosmological and gravitational phenomena. Two renowned examples of these boundaries are event horizons in black holes and the cosmological horizon of the de Sitter spacetime, a model of an expanding universe with a positive vacuum energy. [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,1617],"tags":[],"class_list":["post-239534","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\/239534","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=239534"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/239534\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=239534"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=239534"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=239534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}