{"id":184067,"date":"2024-03-01T13:33:50","date_gmt":"2024-03-01T19:33:50","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/03\/how-the-strong-force-influences-the-gravitational-wave-background"},"modified":"2024-03-01T13:33:50","modified_gmt":"2024-03-01T19:33:50","slug":"how-the-strong-force-influences-the-gravitational-wave-background","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/03\/how-the-strong-force-influences-the-gravitational-wave-background","title":{"rendered":"How \u2018the strong force\u2019 influences the gravitational wave background"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/how-the-strong-force-influences-the-gravitational-wave-background2.jpg\"><\/a><\/p>\n<p>Gravitationally speaking, the universe is a noisy place. A hodgepodge of gravitational waves from unknown sources streams unpredictably around space, including possibly from the early universe.<\/p>\n<p>Scientists have been looking for signs of these early cosmological <a href=\"https:\/\/phys.org\/tags\/gravitational+waves\/\" rel=\"tag\" class=\"\">gravitational waves<\/a>, and a team of physicists have now shown that such waves should have a distinct signature due to the behavior of quarks and gluons as the universe cools. Such a finding would have a decisive impact on which models best describe the universe almost immediately after the Big Bang. The study is <a href=\"https:\/\/link.aps.org\/doi\/10.1103\/PhysRevLett.132.081001\">published<\/a> in the journal Physical Review Letters.<\/p>\n<p>Scientists first found direct evidence for gravitational waves in 2015 at the LIGO gravitational wave interferometers in the US. These are singular (albeit tiny amplitude) waves from a particular source, such as the merger of two black holes, which wash past Earth. Such waves cause the 4-km perpendicular arms of the interferometers to change length by miniscule (but different) amounts, the difference detected by changes in the resulting interference pattern as <a href=\"https:\/\/phys.org\/tags\/laser+beams\/\" rel=\"tag\" class=\"\">laser beams<\/a> travel back and forth in the detector\u2019s arms.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gravitationally speaking, the universe is a noisy place. A hodgepodge of gravitational waves from unknown sources streams unpredictably around space, including possibly from the early universe. Scientists have been looking for signs of these early cosmological gravitational waves, and a team of physicists have now shown that such waves should have a distinct signature due [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,48],"tags":[],"class_list":["post-184067","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-particle-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/184067","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\/661"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=184067"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/184067\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=184067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=184067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=184067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}