{"id":229464,"date":"2026-01-21T01:40:14","date_gmt":"2026-01-21T07:40:14","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/01\/new-method-reveals-quantum-states-using-indirect-measurements-of-particle-flows"},"modified":"2026-01-21T01:40:14","modified_gmt":"2026-01-21T07:40:14","slug":"new-method-reveals-quantum-states-using-indirect-measurements-of-particle-flows","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/01\/new-method-reveals-quantum-states-using-indirect-measurements-of-particle-flows","title":{"rendered":"New method reveals quantum states using indirect measurements of particle flows"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/new-method-reveals-quantum-states-using-indirect-measurements-of-particle-flows2.jpg\"><\/a><\/p>\n<p>A team from UNIGE shows that it is possible to determine the state of a quantum system from indirect measurements when it is coupled to its environment.<\/p>\n<p>What is the state of a quantum system? Answering this question is essential for exploiting quantum properties and developing new technologies. In practice, this characterization generally relies on direct measurements, which require extremely well-controlled systems, as their sensitivity to external disturbances can distort the results. This constraint limits their applicability to specific experimental contexts.<\/p>\n<p>A team from the University of Geneva (UNIGE) presents an alternative approach, tailored to open quantum systems, in which the interaction with the environment is turned into an advantage rather than an obstacle. <a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/zk56-jn7t\" target=\"_blank\">Published<\/a> in <i>Physical Review Letters <\/i>\u2014with the \u201cEditor\u2019s Suggestion\u201d label\u2014this work brings quantum technologies a step closer to real-world conditions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A team from UNIGE shows that it is possible to determine the state of a quantum system from indirect measurements when it is coupled to its environment. What is the state of a quantum system? Answering this question is essential for exploiting quantum properties and developing new technologies. In practice, this characterization generally relies on [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48,1617],"tags":[],"class_list":["post-229464","post","type-post","status-publish","format-standard","hentry","category-particle-physics","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/229464","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=229464"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/229464\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=229464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=229464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=229464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}