{"id":241603,"date":"2026-07-26T20:05:27","date_gmt":"2026-07-27T01:05:27","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/07\/near-a-black-hole-gravity-changes-a-quantum-circuits-readings-not-its-rules"},"modified":"2026-07-26T20:05:27","modified_gmt":"2026-07-27T01:05:27","slug":"near-a-black-hole-gravity-changes-a-quantum-circuits-readings-not-its-rules","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/07\/near-a-black-hole-gravity-changes-a-quantum-circuits-readings-not-its-rules","title":{"rendered":"Near a black hole, gravity changes a quantum circuit\u2019s readings, not its rules"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/near-a-black-hole-gravity-changes-a-quantum-circuits-readings-not-its-rules.jpg\"><\/a><\/p>\n<p>Imagine holding one of our most precise quantum devices at a fixed position outside a black hole. A Josephson junction\u2014two superconductors separated by an ultrathin barrier\u2014can turn a voltage into a quantum oscillation with extraordinary precision. Would intense gravity change that quantum rule, or only change how a faraway observer reads the device?<\/p>\n<p>In our study <a href=\"https:\/\/link.springer.com\/10.1007\/JHEP02(2026)006\" target=\"_blank\">published<\/a> in the <i>Journal of High Energy Physics<\/i>, we found a clean answer. The local Josephson physics remains intact. Gravity instead changes the translation between measurements made beside the circuit and measurements assigned by an observer far from the black hole.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Imagine holding one of our most precise quantum devices at a fixed position outside a black hole. A Josephson junction\u2014two superconductors separated by an ultrathin barrier\u2014can turn a voltage into a quantum oscillation with extraordinary precision. Would intense gravity change that quantum rule, or only change how a faraway observer reads the device? In our [\u2026]<\/p>\n","protected":false},"author":511,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,1617],"tags":[],"class_list":["post-241603","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\/241603","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\/511"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=241603"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/241603\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=241603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=241603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=241603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}