{"id":894,"date":"2010-07-07T14:25:27","date_gmt":"2010-07-07T12:25:27","guid":{"rendered":"https:\/\/webs.uab.cat\/giq\/seminar\/quantum-versus-classical-correlations-gaussian-states\/"},"modified":"2010-07-07T14:25:27","modified_gmt":"2010-07-07T12:25:27","slug":"quantum-versus-classical-correlations-gaussian-states","status":"publish","type":"seminar","link":"https:\/\/webs.uab.cat\/giq\/seminar\/quantum-versus-classical-correlations-gaussian-states\/","title":{"rendered":"Quantum versus classical correlations in Gaussian states"},"content":{"rendered":"<p>Quantum discord, a measure of genuinely quantum correlations, is generalized to continuous variable systems. For all two-mode Gaussian states, we calculate analytically the quantum discord and a related measure of classical correlations, solving an optimization over all Gaussian measurements. Almost all two-mode Gaussian states are shown to have quantum correlations, while for separable states, the discord is smaller than unity. For a given amount of entanglement, it admits tight upper and lower bounds. While elucidating fundamental traits of continuous variable correlations, our findings are amenable to experimental verification by linear optics.<\/p>\n<p> <!--endarticle--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quantum discord, a measure of genuinely quantum correlations, is generalized to continuous variable systems. For all two-mode Gaussian states, we calculate analytically the quantum discord and a related measure of classical correlations, solving an optimization over all Gaussian measurements. Almost all two-mode Gaussian states are shown to have quantum correlations, while for separable states, the [&hellip;]<\/p>\n","protected":false},"author":20,"featured_media":0,"template":"","class_list":["post-894","seminar","type-seminar","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/webs.uab.cat\/giq\/wp-json\/wp\/v2\/seminar\/894","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/webs.uab.cat\/giq\/wp-json\/wp\/v2\/seminar"}],"about":[{"href":"https:\/\/webs.uab.cat\/giq\/wp-json\/wp\/v2\/types\/seminar"}],"author":[{"embeddable":true,"href":"https:\/\/webs.uab.cat\/giq\/wp-json\/wp\/v2\/users\/20"}],"wp:attachment":[{"href":"https:\/\/webs.uab.cat\/giq\/wp-json\/wp\/v2\/media?parent=894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}