Caustics due to a negative refractive index in circular graphene p-n junctions
Megjelenés dátuma: 2007
MTMT: 1205025
WoS ID: 000251674300048
Scopus ID: 37149056911
PubMed ID: 18233471
Absztrakt:
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.
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