TITLE

Chains in the presence of an interacting surface and different boundary conditions

AUTHOR(S)
Stratouras, G. K.; Kosmas, M. K.
PUB. DATE
February 1995
SOURCE
Journal of Chemical Physics;2/1/1995, Vol. 102 Issue 5, p2239
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The end-to-end distribution function of a linear chain interacting with a penetrable surface with the potential uδ(z) is demonstrated to recover the case of the distribution in the presence of an impenetrable surface with different boundary conditions. The two different boundary conditions of zero probability density and of zero of the gradient of the probability density at the surface correspond to different values of u and the penetrable distribution function can thus be used to describe chains with various degrees of interactions both in the presence of penetrable or impenetrable surfaces. Density profiles of the monomeric units of the chains localized at one or both ends are described, furnishing an insight to the distortion which the interacting surface brings on the shape of a coil. The study includes an extension to the cases of ring and star macromolecules. © 1995 American Institute of Physics.
ACCESSION #
7610693

 

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