Electromagnetic waves and ballistic electrons in nanostructures

Michal Horák

doi:10.1117/12.818005

18 November 2008 Electromagnetic waves and ballistic electrons in nanostructures

Michal Horák

Proceedings Volume 7138, Photonics, Devices, and Systems IV; 713811 (2008) https://doi.org/10.1117/12.818005
Event: Photonics, Devices, and Systems IV, 2008, Prague, Czech Republic

Abstract

The electromagnetic wave propagation between two media characterized by the permittivity and permeability and the transport of ballistic electrons with different effective masses across the heterointerface are investigated. The analogy of Snell law for ballistic electron is discussed; the existence of the critical angle of incidence is related to the electron energy and quasiimpuls conservation and to the effective barrier height. The quantum mechanical formulae for transmission and reflection of ballistic electrons with different effective mass at the heterointerface and Fresnel formulae for electromagnetic wave at the interface between media with different permeabilities are compared. The reflectance of electrons can be zero under certain conditions and their transmittance is equal to unity; this effect can be considered as an analogy of Brewster angle for electromagnetic waves. The existence of metamaterial for electron waves is discussed.

Citation Download Citation

Michal Horák "Electromagnetic waves and ballistic electrons in nanostructures", Proc. SPIE 7138, Photonics, Devices, and Systems IV, 713811 (18 November 2008); https://doi.org/10.1117/12.818005

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