Effect of Kondo resonance on optical third harmonic generation
S.A. Jafari, T. Tohyama, S. Maekawa
TL;DR
This paper investigates how Kondo resonance influences optical third harmonic generation in strongly correlated materials, revealing that THG signals are linked to quasiparticle weight and signal the onset of Mott-Hubbard gap formation.
Contribution
It introduces a dynamical mean field theory approach to connect Kondo resonance effects with optical third harmonic generation in correlated systems.
Findings
THG signals are proportional to the quasiparticle weight z.
THG signals serve as precursors to Mott-Hubbard gap formation.
The study provides a theoretical framework for understanding nonlinear optical responses in correlated materials.
Abstract
We use the method of dynamical mean field thoery, to study the effect of Kondo resonance on optical third harmonic generation (THG) spectra of strongly correlated systems across the metal-insulator transition. We find that THG signals are proportional to the quasiparticle weight of the Kondo peak, and are precursors of Mott-Hubbard gap formation.
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