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| Main Author: | |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2502.19443 |
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Table of Contents:
- We consider the linear and nonlinear response of a weighted graphene sheet under the normal incidence of a plane electromagnetic wave in the form of a quasi-monochromatic pulse of long duration with a sharp edge and harmonic filling. The generation of odd harmonics in the reflected and transmitted spectra is obtained. The coefficient of transformation of the first harmonic into the third harmonic at a frequency of 10 Hz is of the order of 10-3. We use perturbative theory based on the quantum Wallace strong coupling model with field amplitude expansion and integration over the entire Brillouin zone (BZ), solving the kinetic Boltzmann equation with a collision integral in the Bhatnagar-Gross-Crook (BGK) form. The electromagnetic field is considered classically, while its vector potential changes the quasi-pulse in the dispersion equation.