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cond-mat.mes-hall2020★ 11 cited
Many-Body Effects in Third Harmonic Generation of Graphene
Habib Rostami, Emmanuele Cappelluti
The low-energy (intraband) range of the third harmonic generation of graphene in the terahertz regime is governed by the damping terms induced by the interactions. A controlled man…
cond-mat.mes-hall2020★ 13 cited
Dominant Role of Two-Photon Vertex in Nonlinear Response of Dirac Materials
Habib Rostami, Emmanuele Cappelluti
Using a conserving Baym-Kadanoff approach, we present a fully compelling theory of nonlinear dc response of a Dirac system to electric fields in the presence of disorder scattering…