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 |
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