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cond-mat1997
Two-dimensional oriented self-avoiding walks with parallel contacts
G. T. Barkema, U. Bastolla, P. Grassberger
Two closely related models of oriented self-avoiding walks (OSAWs) on a square lattice are studied. We use the pruned-enriched Rosenbluth method to determine numerically the phase…
cond-mat1994
Is DLA Locally Isotropic or Self-Affine?
Rainer Hegger, Peter Grassberger
We present results of simulations which show unambiguously that DLA clusters are not self-affine, in contrast to frequent claims. The measured observable is the asymmetry of the la…