{"id":215684,"date":"2025-06-10T06:11:38","date_gmt":"2025-06-10T11:11:38","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/06\/out-of-the-string-theory-swampland-new-models-may-resolve-problem-that-conflicts-with-dark-energy"},"modified":"2025-06-10T06:11:38","modified_gmt":"2025-06-10T11:11:38","slug":"out-of-the-string-theory-swampland-new-models-may-resolve-problem-that-conflicts-with-dark-energy","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/06\/out-of-the-string-theory-swampland-new-models-may-resolve-problem-that-conflicts-with-dark-energy","title":{"rendered":"Out of the string theory swampland: New models may resolve problem that conflicts with dark energy"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/out-of-the-string-theory-swampland-new-models-may-resolve-problem-that-conflicts-with-dark-energy2.jpg\"><\/a><\/p>\n<p>String theory has long been touted as physicists\u2019 best candidate for describing the fundamental nature of the universe, with elementary particles and forces described as vibrations of tiny threads of energy. But in the early 21st century, it was realized that most of the versions of reality described by string theory\u2019s equations cannot match up with observations of our own universe.<\/p>\n<p>In particular, conventional <a href=\"https:\/\/phys.org\/tags\/string+theory\/\" rel=\"tag\" class=\"\">string theory<\/a>\u2019s predictions are incompatible with the observation of dark energy, which appears to be causing our universe\u2019s expansion to speed up, and with viable theories of quantum gravity, instead predicting a vast \u2018swampland\u2019 of impossible universes.<\/p>\n<p>Now, a <a href=\"https:\/\/link.springer.com\/article\/10.1140\/epjc\/s10052-025-13966-9\" target=\"_blank\">new analysis<\/a> by FQxI physicist Eduardo Guendelman, of Ben-Gurion University of the Negev, in Israel, shows that an exotic subset of string models\u2014in which the <a href=\"https:\/\/phys.org\/tags\/tension\/\" rel=\"tag\" class=\"\">tension<\/a> of strings is generated dynamically\u2014could provide an escape route out of the string theory swampland.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>String theory has long been touted as physicists\u2019 best candidate for describing the fundamental nature of the universe, with elementary particles and forces described as vibrations of tiny threads of energy. But in the early 21st century, it was realized that most of the versions of reality described by string theory\u2019s equations cannot match up [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,41,48,1617],"tags":[],"class_list":["post-215684","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-information-science","category-particle-physics","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/215684","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=215684"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/215684\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=215684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=215684"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=215684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}