{"id":907,"date":"2011-05-02T12:09:22","date_gmt":"2011-05-02T10:09:22","guid":{"rendered":"https:\/\/webs.uab.cat\/giq\/seminar\/31-massive-dirac-fermions-ultracold-atoms-optical-lattice\/"},"modified":"2011-05-02T12:09:22","modified_gmt":"2011-05-02T10:09:22","slug":"31-massive-dirac-fermions-ultracold-atoms-optical-lattice","status":"publish","type":"seminar","link":"https:\/\/webs.uab.cat\/giq\/seminar\/31-massive-dirac-fermions-ultracold-atoms-optical-lattice\/","title":{"rendered":"(3+1) massive Dirac fermions with ultracold atoms in optical lattice"},"content":{"rendered":"<p>I discuss a cold-atoms set-up able to simulate (3+1) Dirac fermions and some applications, relevant both in elementary particle and in condensed matter physics. I show in particular the possibility to add a tunable mass by using Bragg pulses, an effective external electromagnetic coupling and an internal interaction, also covariant. Finally I consider the 2D limit, describing the emergence of (2+1) Dirac fermions in presence of a strongly anisotropic lattice.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I discuss a cold-atoms set-up able to simulate (3+1) Dirac fermions and some applications, relevant both in elementary particle and in condensed matter physics. I show in particular the possibility to add a tunable mass by using Bragg pulses, an effective external electromagnetic coupling and an internal interaction, also covariant. Finally I consider the 2D [&hellip;]<\/p>\n","protected":false},"author":20,"featured_media":0,"template":"","class_list":["post-907","seminar","type-seminar","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/webs.uab.cat\/giq\/wp-json\/wp\/v2\/seminar\/907","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=907"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}