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cond-mat.mes-hall2021
The impact of nitrogen doping on the linear and nonlinear terahertz response of graphene
Roozbeh Anvari, Eugene Zaremba, Marc M. Dignam
It is well known that impurities play a central role in the linear and nonlinear response of graphene at optical and terahertz frequencies. In this work, we calculate the bands and…
cond-mat.mes-hall2004
Nonlinear screening and stopping power in two-dimensional electron gases
E. Zaremba, I. Nagy, P. M. Echenique
We have used density functional theory to study the nonlinear screening properties of a two-dimensional (2D) electron gas. In particular, we consider the screening of an external s…