|Title:||Surface plasmon resonance in the presence of topological insulators||Authors:||Chang, Railing
Leung, P. T.
|Keywords:||Surface plasmon resonance;Axion electrodynamics;Topological insulator||Issue Date:||1-Feb-2022||Publisher:||ELSEVIER GMBH||Journal Volume:||251||Source:||OPTIK||Abstract:||
The plasmonic resonance of the free electrons at a metal-topological insulator interface is studied with the application of axion electrodynamics. The additional red-shift due to the axion field previously observed in the literature is accounted for by a mechanical model similar to that used in the hybridization model for coupled plasmonic resonances in metallic nanoshells. Such model sheds light on the origin of the red-shift being caused by the decrease in interaction potential energy for the free electron fluid due to the axion-induced charges at the interface of the metal and the topological insulator.
|Appears in Collections:||光電與材料科技學系|
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