Structure function of linear polymers in the ideal and excluded volume regime

Autor:	Craig J. Saltiel, Marvin Bishop
Rok vydání:	1991
Předmět:	Physics Lattice model (finance) Ideal (set theory) Monte Carlo method Excluded volume Neutron diffraction Structure function General Physics and Astronomy Statistical physics Physical and Theoretical Chemistry Ideal chain Structure factor
Zdroj:	The Journal of Chemical Physics. 94:6920-6923
ISSN:	1089-7690 0021-9606
DOI:	10.1063/1.460725
Popis:	Monte Carlo simulations employing the pivot algorithm are used to generate ideal and excluded‐volume chains on two‐ and three‐dimensional lattices. The second, fourth, sixth, and eighth moments of the average monomer–monomer separation are calculated from the resulting configurations. The coefficients in the expansion of the structure factor are computed from universal ratios of these. The values found for excluded‐volume chains are smaller than the ideal chain values and the differences are greater in two dimensions than in three dimensions.
Databáze:	OpenAIRE
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