Topological non-Hermitian origin of surface Maxwell waves
DC Field | Value | Language |
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dc.contributor.author | Bliokh K.Y. | - |
dc.contributor.author | Leykam D. | - |
dc.contributor.author | Lein M. | - |
dc.contributor.author | Nori F. | - |
dc.date.available | 2019-05-02T08:09:05Z | - |
dc.date.created | 2019-02-18 | - |
dc.date.issued | 2019-02 | - |
dc.identifier.issn | 2041-1723 | - |
dc.identifier.uri | https://pr.ibs.re.kr/handle/8788114/5717 | - |
dc.description.abstract | Maxwell electromagnetism, describing the wave properties of light, was formulated 150 years ago. More than 60 years ago it was shown that interfaces between optical media (including dielectrics, metals, negative-index materials) can support surface electromagnetic waves, which now play crucial roles in plasmonics, metamaterials, and nano-photonics. Here we show that surface Maxwell waves at interfaces between homogeneous isotropic media described by real permittivities and permeabilities have a topological origin explained by the bulk-boundary correspondence. Importantly, the topological classification is determined by the helicity operator, which is generically non-Hermitian even in lossless optical media. The corresponding topological invariant, which determines the number of surface modes, is a Z4 number (or a pair of Z2 numbers) describing the winding of the complex helicity spectrum across the interface. Our theory provides a new twist and insights for several areas of wave physics: Maxwell electromagnetism, topological quantum states, non-Hermitian wave physics, and metamaterials. © 2019, The Author(s) | - |
dc.description.uri | 1 | - |
dc.language | 영어 | - |
dc.publisher | NATURE PUBLISHING GROUP | - |
dc.title | Topological non-Hermitian origin of surface Maxwell waves | - |
dc.type | Article | - |
dc.type.rims | ART | - |
dc.identifier.wosid | 000457582900024 | - |
dc.identifier.scopusid | 2-s2.0-85061028444 | - |
dc.identifier.rimsid | 66997 | - |
dc.contributor.affiliatedAuthor | Leykam D. | - |
dc.identifier.doi | 10.1038/s41467-019-08397-6 | - |
dc.identifier.bibliographicCitation | NATURE COMMUNICATIONS, v.10, no.1, pp.580 | - |
dc.citation.title | NATURE COMMUNICATIONS | - |
dc.citation.volume | 10 | - |
dc.citation.number | 1 | - |
dc.citation.startPage | 580 | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |