1.1k citations · 4.5k across the 114 of their papers we have counts for
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cond-mat.str-el1997★ 101 cited
On the self-trapping problem of electrons or excitons in one dimension
G. Wellein, H. Fehske
We present a detailed numerical study of the one-dimensional Holstein model with a view to understanding the self-trapping process of electrons or excitons in crystals with short-r…
cond-mat1997★ 139 cited
Polaron band formation in the Holstein model
G. Wellein, H. Fehske
We present numerical exact results for the polaronic band structure of the Holstein molecular crystal model in one and two dimensions. The use of direct Lanczos diagonalization tec…