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  • American Institute of Physics (AIP)  (2)
  • 1990-1994  (2)
  • 1975-1979
  • 1
    Electronic Resource
    Electronic Resource
    Direct Monte Carlo measurement of excluded volume for Pearson walks (1992)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 97 (1992), S. 9454-9457 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The Pearson walk model of a linear polymer with excluded volume is studied by analogy with a neighbor-avoiding walk on a lattice. The pivot algorithm is used to model the excluded volume directly, with the strength of interaction controlled by bead diameter. The excluded volume per bead is shown to be nonanalytic, with two distinct excluded volume regimes corresponding to geometrically different polymer models.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.463269
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  • 2
    Electronic Resource
    Electronic Resource
    On the excluded volume of neighbor-avoiding lattice walks (1992)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 96 (1992), S. 8574-8581 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Like real polymer chains and unlike self-avoiding lattice walks, neighbor-avoiding lattice walks exhibit a reduction or mediation of the effective excluded-volume interaction, and thus merit study as a model of real polymers. For small excluded volume, we extend the perturbation series of Domb and Joyce to neighbor-avoiding walks. For large excluded volume we compute exactly the excluded volume per lattice site for short chains and estimate it by Monte Carlo for longer chains. We discuss the significance of chain stiffness for lattice models and suggest how the correct two-parameter function might be determined numerically.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.462310
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