Caustics due to a negative refractive index in circular graphene p-n junctions

József Cserti, András Pályi, Csaba Péterfalvi

Research output: Contribution to journalArticle

80 Citations (Scopus)

Abstract

We show that the wave functions form caustics in circular graphene p-n junctions which in the framework of geometrical optics can be interpreted with a negative refractive index.

Original languageEnglish
Article number246801
JournalPhysical review letters
Volume99
Issue number24
DOIs
Publication statusPublished - Dec 11 2007

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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