Non-local Optical Topological Transitions and Critical States in Electromagnetic Metamaterials.

Abstract:

:Just as the topology of the Fermi surface defines the properties of the free electrons in metals and semiconductors, the geometry of the iso-frequency surface in the phase space of the propagating electromagnetic waves, determines the optical properties of the corresponding optical materials. Furthermore, in the direct analog to the Lifshitz transition in condensed matter physics, a change in the topology of iso-frequency surface has a dramatic effect on the emission, propagation and scattering of the electromagnetic waves. Here, we uncover a new class of such optical topological transitions in metamaterials, induced by the non-locality of the electromagnetic response inherent to these composites.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Ishii S,Narimanov E

doi

10.1038/srep17824

subject

Has Abstract

pub_date

2015-12-16 00:00:00

pages

17824

issn

2045-2322

pii

srep17824

journal_volume

5

pub_type

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