Electronic Resource
College Park, Md.
:
American Institute of Physics (AIP)
The Journal of Chemical Physics
84 (1986), S. 3559-3566
ISSN:
1089-7690
Source:
AIP Digital Archive
Topics:
Physics
,
Chemistry and Pharmacology
Notes:
The motion of nonintersecting chains on a cubic lattice with a super lattice of obstacles is simulated. Center-of-mass diffusion coefficients as well as the end-to-end vector relaxation times are measured both in ordered and random obstacle fields. Severe differences in dynamical quantities appear as a result of simultaneous obstacle motion and randomization of the obstacle field. The differences indicate a shift of the system to lower obstacle densities. This is interpreted to be due to preferential motion of the end group (snake head) into large holes, rendering the effective tube diameter larger than the average neighbor–neighbor obstacle distance.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.450242
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