{"id":24337,"date":"2016-04-06T19:16:33","date_gmt":"2016-04-07T02:16:33","guid":{"rendered":"http:\/\/lifeboat.com\/blog\/2016\/04\/advance-may-make-quantum-computing-more-practical"},"modified":"2017-06-04T10:33:36","modified_gmt":"2017-06-04T17:33:36","slug":"advance-may-make-quantum-computing-more-practical","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2016\/04\/advance-may-make-quantum-computing-more-practical","title":{"rendered":"Advance may make quantum computing more practical"},"content":{"rendered":"<p><a class=\"blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/advance-may-make-quantum-computing-more-practical.jpg\"><\/a><\/p>\n<p>Very nice; we\u2019re getting closer.<\/p>\n<hr>\n<p>But superposition is fragile, and finding ways to preserve it is one of the chief obstacles to developing large, general-purpose quantum computers. In today\u2019s <em>Nature<\/em>, MIT researchers describe a new approach to preserving superposition in a class of quantum devices built from synthetic diamonds. The work could ultimately prove an important step toward reliable quantum computers.<\/p>\n<p>In most engineering fields, the best way to maintain the stability of a physical system is feedback control. You make a measurement \u2014 the current trajectory of an airplane, or the temperature of an engine \u2014 and on that basis produce a control signal that nudges the system back toward its desired state.<\/p>\n<p>The problem with using this technique to stabilize a quantum system is that measurement destroys superposition. So quantum-computing researchers have traditionally had to do without feedback.<\/p>\n<p><!-- Link: <a href=\"https:\/\/www.sciencedaily.com\/releases\/2016\/04\/160406140326.htm\">https:\/\/www.sciencedaily.com\/releases\/2016\/04\/160406140326.htm<\/a> --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Very nice; we\u2019re getting closer. But superposition is fragile, and finding ways to preserve it is one of the chief obstacles to developing large, general-purpose quantum computers. In today\u2019s Nature, MIT researchers describe a new approach to preserving superposition in a class of quantum devices built from synthetic diamonds. The work could ultimately prove an [\u2026]<\/p>\n","protected":false},"author":395,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,38,1617,1491],"tags":[],"class_list":["post-24337","post","type-post","status-publish","format-standard","hentry","category-computing","category-engineering","category-quantum-physics","category-transportation"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/24337","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\/395"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=24337"}],"version-history":[{"count":2,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/24337\/revisions"}],"predecessor-version":[{"id":62157,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/24337\/revisions\/62157"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=24337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=24337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=24337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}