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Asymptotic behavior of the entropy of chains placed on cylinders
Phys. Rev. E 76, 031133 – Published 27 September, 2007
DOI: https://doi.org/10.1103/PhysRevE.76.031133
Abstract
By using the transfer matrix approach, we investigate the asymptotic behavior of the entropy of flexible chains with monomers each placed on strips with periodic boundary conditions (cylinders). In the limit of high density of monomers, we study the behavior of the entropy as a function of the density of monomers and the width of the strip, inspired by recent analytical studies of this problem for the particular case of dimers . We obtain the entropy in the asymptotic regime of high densities for chains with monomers, as well as for the special case of polymers, where , and find that the results show a regular behavior similar to the one found analytically for dimers. We also verify that in the low-density limit the mean-field expression for the entropy is followed by the results from our transfer matrix calculations.
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