Analytical calculation of the nonlinear inverse-bremsstrahlung absorption rate in doped AB-stacked bilayer graphene under strong coherent EM radiation using Liouville-von Neumann density matrix solution with impurity scattering as perturbation.
Multiphoton cross sections of conductive electrons stimulated bremsstrahlung in doped bilayer graphene
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abstract
The quantum theory of multiphoton stimulated bremsstrahlung of charged carriers on an arbitrary electrostatic potential of impurity ion in doped bilayer graphene at the presence of coherent electromagnetic radiation is developed. A terahertz wave field is considered exactly, while the electrostatic potential of doped ions as a perturbation. The essentially nonlinear response of bilayer graphene to a pump wave and significant differences from the case of a single layer graphene are shown, which can be associated to nonlinear parabolic dispersion. The latter opens new way to manipulate with the electronic transport properties of conductive electrons of bilayer graphene by coherent radiation field of terahertz or near-infrared frequencies.
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2019 1verdicts
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Microscopic nonlinear quantum theory of absorption of coherent electromagnetic radiation in doped bilayer graphene
Analytical calculation of the nonlinear inverse-bremsstrahlung absorption rate in doped AB-stacked bilayer graphene under strong coherent EM radiation using Liouville-von Neumann density matrix solution with impurity scattering as perturbation.