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Testing a new Monte Carlo Algorithm for Protein Folding
Ugo Bastolla, Helge Frauenkron, Erwin Gerstner +2
We demonstrate that the recently proposed pruned-enriched Rosenbluth method PERM (P. Grassberger, Phys. Rev. E, in press (1997)) leads to extremely efficient algorithms for the fol…
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…
Critical Unmixing of Polymer Solutions
H. Frauenkron, P. Grassberger, HLRZ Juelich +1
We present Monte Carlo simulations of semidilute solutions of long self-attracting chain polymers near their Ising type critical point. The polymers are modeled as monodisperse sel…
Random Neighbor Theory of the Olami-Feder-Christensen Earthquake Model
Hans-Martin Broeker, Peter Grassberger
We derive the exact equations of motion for the random neighbor version of the Olami-Feder-Christensen earthquake model in the infinite-size limit. We solve them numerically, and c…
The Bak-Chen-Tang Forest Fire Model Revisited
Hans-Martin Bröker, Peter Grassberger
We reconsider a model introduced by Bak, Chen, and Tang (Phys. Rev. A 38, 364 (1988)) as a supposedly self-organized critical model for forest fires. We verify again that the model…
Phase Transitions of Single Semi-stiff Polymer Chains
Ugo Bastolla, Peter Grassberger
We study numerically a lattice model of semiflexible homopolymers with nearest neighbor attraction and energetic preference for straight joints between bonded monomers. For this we…