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What is Fermi Velocity Resonance in Graphene about?
The study investigates the dependence of Fermi velocity on charge carrier concentration in weakly doped graphene, revealing a sharp peak where the Fermi velocity can increase by over 1.5 times. This peak occurs when the Fermi energy aligns with the energy of single-impurity resonance, provided the impurity concentration is below a critical threshold. The findings suggest that the observed increase in Fermi velocity is resonant and linked to impurity effects rather than defects in the substrate.
- Author
- effects.jr
- Language
- EN