{"id":88592,"date":"2019-03-12T11:22:55","date_gmt":"2019-03-12T18:22:55","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2019\/03\/quantum-physicists-succeed-in-controlling-energy-losses-and-shifts"},"modified":"2019-03-12T11:22:55","modified_gmt":"2019-03-12T18:22:55","slug":"quantum-physicists-succeed-in-controlling-energy-losses-and-shifts","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2019\/03\/quantum-physicists-succeed-in-controlling-energy-losses-and-shifts","title":{"rendered":"Quantum physicists succeed in controlling energy losses and shifts"},"content":{"rendered":"<p><\/p>\n<p><iframe style=\"display: block; margin: 0 auto; width: 100%; aspect-ratio: 4\/3; object-fit: contain;\" src=\"https:\/\/www.youtube.com\/embed\/l4OZP71IHTs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Quantum computers need to preserve quantum information for a long time to be able to crack important problems faster than a normal computer. Energy losses take the state of the qubit from one to zero, destroying stored quantum information at the same time. Consequently, scientists all over the globe have traditionally worked to remove all sources of energy loss\u2014or dissipation\u2014from these machines.<\/p>\n<p>Dr. Mikko Mottonen from Aalto University and his research team have taken a different approach. \u201cYears ago, we realized that quantum computers actually need dissipation to operate efficiently. The trick is to have it only when you need it,\u201d he explains.<\/p>\n<p>In their paper to be published on 11 March 2019 in <i>Nature Physics<\/i>, scientists from Aalto University and the University of Oulu demonstrate that they can increase the dissipation rate by a factor of thousand in a high-quality superconducting resonator on demand\u2014such resonators are used in prototype quantum computers.<\/p>\n<p><!-- Link: <a href=\"https:\/\/phys.org\/news\/2019-03-quantum-physicists-energy-losses-shifts.html\">https:\/\/phys.org\/news\/2019&#45;03-quantum-physicists-energy-losses-shifts.html<\/a> --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quantum computers need to preserve quantum information for a long time to be able to crack important problems faster than a normal computer. Energy losses take the state of the qubit from one to zero, destroying stored quantum information at the same time. Consequently, scientists all over the globe have traditionally worked to remove all [\u2026]<\/p>\n","protected":false},"author":513,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,1617],"tags":[],"class_list":["post-88592","post","type-post","status-publish","format-standard","hentry","category-computing","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/88592","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\/513"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=88592"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/88592\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=88592"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=88592"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=88592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}