Electromagnetic properties of graphene junctions

Details Electromagnetic properties of graphene junctions Electromagnetic properties of graphene junctions

2008-09-26

arxiv.org/abs/0809.4666v1

Physics

Condensed Matter

Other Condensed Matter

4 pages 3 figures

Scientific paper

A resonant chiral tunneling (CT) across a graphene junction (GJ) induced by an external electromagnetic field (EF) is studied. Modulation of the electron and hole wavefunction phases $\varphi$ by the external EF during the CT processes strongly impacts the CT directional diagram. Therefore the a.c. transport characteristics of GJs depend on the EF polarization and frequency considerably. The GJ shows great promises for various nanoelectronic applications working in the THz diapason.

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