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Hot-electron transport in graphene driven by intense terahertz fields. (English) Zbl 1248.82035

Summary: We investigate transport properties of graphene driven by intense terahertz (THz) fields, considering impurity, acoustic-phonon and optical phonon scatterings. The time evolutions of drift velocity and electron temperature are analyzed and the phase shift and distortion of drift velocity are demonstrated. We also examine the terahertz photoconductivity, finding that the suppression of linear dc mobility is greatly enhanced with decreasing frequency of the radiation.

MSC:

82C70 Transport processes in time-dependent statistical mechanics
82D80 Statistical mechanics of nanostructures and nanoparticles
78A60 Lasers, masers, optical bistability, nonlinear optics
78A45 Diffraction, scattering
82B30 Statistical thermodynamics
Full Text: DOI

References:

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