On the number of contacts of two polymer chains situated on fractal structures

V. Miljković, I. Živić and S. Milošević ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2004, vol. 40, issue 1, 55-61

Abstract: We study the critical behavior of the number of monomer-monomer contacts for two polymers in a good solvent. Polymers are modeled by two self-avoiding walks situated on fractals that belong to the checkerboard (CB) and X family. Each member of a family is labeled by an odd integer b, $3\le b\le\infty$ . By applying the exact Renormalization Group (RG) method, we establish the relevant phase diagrams whereby we calculate the contact critical exponents $\varphi$ (for the CB and X fractals with b=5 and b=7). The critical exponent $\varphi$ is associated with power law of the number of sites at which the two polymers are touching each other. Copyright Springer-Verlag Berlin/Heidelberg 2004

Date: 2004
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DOI: 10.1140/epjb/e2004-00238-2

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