{"id":223424,"date":"2025-10-15T03:15:15","date_gmt":"2025-10-15T08:15:15","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/10\/can-we-hear-gravitational-wave-beats-in-the-rhythm-of-pulsars"},"modified":"2025-10-15T03:15:15","modified_gmt":"2025-10-15T08:15:15","slug":"can-we-hear-gravitational-wave-beats-in-the-rhythm-of-pulsars","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/10\/can-we-hear-gravitational-wave-beats-in-the-rhythm-of-pulsars","title":{"rendered":"Can we hear gravitational-wave \u2018beats\u2019 in the rhythm of pulsars?"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/can-we-hear-gravitational-wave-beats-in-the-rhythm-of-pulsars.jpg\"><\/a><\/p>\n<p>Pulsars suggest that ultra\u2013low-frequency gravitational waves are rippling through the cosmos. The signal seen by international pulsar timing array collaborations in 2023 could come from a stochastic gravitational-wave background\u2014the sum of many distant sources\u2014or from a single nearby binary of supermassive black holes.<\/p>\n<p>To tell these apart, Hideki Asada, <a href=\"https:\/\/phys.org\/tags\/theoretical+physicist\/\" rel=\"tag\" class=\"\">theoretical physicist<\/a> and Professor at Hirosaki University, and Shun Yamamoto, researcher at the Graduate School of Science and Technology, Hirosaki University, propose a method that exploits beat phenomena between gravitational waves at nearly the same frequency, searching for their imprint in the tiny shifts of pulsars\u2019 radio-pulse arrival times.<\/p>\n<p>Their work has been published in the Journal of Cosmology and Astroparticle Physics.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pulsars suggest that ultra\u2013low-frequency gravitational waves are rippling through the cosmos. The signal seen by international pulsar timing array collaborations in 2023 could come from a stochastic gravitational-wave background\u2014the sum of many distant sources\u2014or from a single nearby binary of supermassive black holes. To tell these apart, Hideki Asada, theoretical physicist and Professor at Hirosaki [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,219],"tags":[],"class_list":["post-223424","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/223424","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=223424"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/223424\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=223424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=223424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=223424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}