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cond-mat.mes-hall2002★ 25 cited
Nonlinear screening in two-dimensional electron gases
E. Zaremba, I. Nagy, P. M. Echenique
We have performed self-consistent calculations of the nonlinear screening of a point charge Z in a two-dimensional electron gas using a density functional theory method. We find th…
cond-mat.mtrl-sci2002
Image-potential-induced states at metal surfaces
P. M. Echenique, J. M. Pitarke, E. V. Chulkov +1
The unequivocal observation in the early 1980s of a new class of unnocupied surface states that are bound to the vacuum level of a variety of metal surfaces has led over the last t…