J Krawczyk et al J. Stat. Mech. (2004) P10004 doi:10.1088/1742-5468/2004/10/P10004
J Krawczyk1, T Prellberg1, A L Owczarek2 and A Rechnitzer2
Show affiliationsIn this paper we present simulations of a surface-adsorbed polymer subject to an elongation force. The polymer is modelled by a self-avoiding walk on a regular lattice. It is confined to a half-space by an adsorbing surface with attractions for every vertex of the walk visiting the surface, and the last vertex is pulled perpendicular to the surface by a force. Using the recently proposed flatPERM algorithm, we calculate the phase diagram for a vast range of temperatures and forces. The strength of this algorithm is that it computes the complete density of states from one single simulation. We simulate systems of sizes up to 256 steps.
05.40.Fb Random walks and Levy flights
02.50.-r Probability theory, stochastic processes, and statistics
82B41 Random walks, random surfaces, lattice animals, etc. (See also 60G50, 82C41)
Issue 10 (October 2004)
Received 23 July 2004, accepted for publication 8 October 2004
Published 14 October 2004
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