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cond-mat.dis-nn2004★ 16 cited
Vortex pinning by a columnar defect in planar superconductors with point disorder
Anatoli Polkovnikov, Yariv Kafri, David R. Nelson
We study the effect of a single columnar pin on a dimensional array of vortex lines in planar type II superconductors in the presence of point disorder. In large samples, t…
cond-mat.dis-nn1998
Life and Death near a Windy Oasis
Karin A. Dahmen, David R. Nelson, Nadav M. Shnerb
We propose a simple experiment to study delocalization and extinction in inhomogeneous biological systems. The nonlinear steady state for, say, a bacteria colony living on and near…