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3 papers
Energy shift of collective modes in spin-imbalanced graphene on SiO from spin-sensitive linear response theory
Dominik Kreil, Michaela Haslhofer, Helga M. Böhm
The growing precision of optical and scattering experiments necessitates a better understanding of the influence of damping onto the collective mode of sheet electrons. As spin-pol…
Optimized correlations inspired by perturbation theory
Martin Panholzer, Raphael Hobbiger, Helga Böhm
We study the accuracy of analytical wave function based many-body methods derived by energy minimization of a Jastrow-Feenberg ansatz for electrons (`Fermi hypernetted chain / Eule…
Dynamic correlations in the highly dilute 2D electron liquid: loss function, critical wave vector and analytic plasmon dispersion
Jürgen T. Drachta, Dominik Kreil, Raphael Hobbiger +1
Correlations, highly important in low--dimensional systems, are known to decrease the plasmon dispersion of two-dimensional electron liquids. Here we calculate the plasmon properti…