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<https://discovery.ucl.ac.uk/id/eprint/10055779> <http://purl.org/dc/terms/title> "Topological surface plasmons in superlattices with changing sign of the average permittivity"^^<http://www.w3.org/2001/XMLSchema#string> .
<https://discovery.ucl.ac.uk/id/eprint/10055779> <http://purl.org/ontology/bibo/abstract> "We address the topological properties of onedimensional\r\nplasmonic superlattices composed of\r\nalternating metallic and dielectric layers. We reveal\r\nthat the Zak phase of such plasmonic lattices is determined\r\nby the sign of the spatial average of their\r\npermittivity, ¯#, and as such the topology and their\r\nassociated interfacial (edge) states are extremely robust\r\nagainst structural disorder. Our study shows that the\r\ntopologically protected interfacial modes occurring at\r\nthe interface between two plasmonic lattices with opposite\r\nsign of ¯# can be viewed as the generalization of\r\nthe conventional surface plasmon polaritons existing\r\nat metallic-dielectric interfaces."^^<http://www.w3.org/2001/XMLSchema#string> .
<https://discovery.ucl.ac.uk/id/eprint/10055779> <http://purl.org/dc/terms/date> "2016-09-15" .
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