Paper

Pressure exerted by a grafted polymer on the limiting line of a semi-infinite square lattice

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Published 27 February 2013 © 2013 IOP Publishing Ltd
, , Citation Iwan Jensen et al 2013 J. Phys. A: Math. Theor. 46 115004 DOI 10.1088/1751-8113/46/11/115004

1751-8121/46/11/115004

Abstract

Using exact enumerations of self-avoiding walks (SAWs) we compute the inhomogeneous pressure exerted by a two-dimensional end-grafted polymer on the grafting line which limits a semi-infinite square lattice. The results for SAWs show that the asymptotic decay of the pressure as a function of the distance to the grafting point follows a power law with an exponent similar to that of Gaussian chains and is, in this sense, independent of excluded volume effects.

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10.1088/1751-8113/46/11/115004