{"id":1016,"date":"2015-02-17T12:50:20","date_gmt":"2015-02-17T10:50:20","guid":{"rendered":"https:\/\/webs.uab.cat\/giq\/seminar\/communication-between-general-relativistic-observers-without-shared-reference\/"},"modified":"2015-02-17T12:50:20","modified_gmt":"2015-02-17T10:50:20","slug":"communication-between-general-relativistic-observers-without-shared-reference","status":"publish","type":"seminar","link":"https:\/\/webs.uab.cat\/giq\/seminar\/communication-between-general-relativistic-observers-without-shared-reference\/","title":{"rendered":"Communication between general-relativistic observers without a shared reference frame"},"content":{"rendered":"<p><span>We show how to reliably encode quantum information and send it between two arbitrary general-relativistic observers&nbsp;without a shared reference frame. Any information stored in a quantum field will inevitably be destroyed by an unknown&nbsp;Bogolyubov transformation relating the observers. However certain quantum correlations between different, independent&nbsp;fields will be preserved, no matter what transformation is applied. We show how to efficiently use these correlations in&nbsp;communication between arbitrary observers.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>We show how to reliably encode quantum information and send it between two arbitrary general-relativistic observers&nbsp;without a shared reference frame. Any information stored in a quantum field will inevitably be destroyed by an unknown&nbsp;Bogolyubov transformation relating the observers. However certain quantum correlations between different, independent&nbsp;fields will be preserved, no matter what transformation is applied. We [&hellip;]<\/p>\n","protected":false},"author":20,"featured_media":0,"template":"","class_list":["post-1016","seminar","type-seminar","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/webs.uab.cat\/giq\/wp-json\/wp\/v2\/seminar\/1016","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=1016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}