Abstract.
We investigate a finite chain approximation, the non-Gaussian Tsallis distribution, to the polymeric network, which gives an improvement to the Gaussian model. This distribution presents some necessary characteristics, like a cutoff to the maximum chain length and a continuous limit to the Gaussian one for a large number of monomers. It also presents a simple quadratic structure that allows to generalize the Gaussian properties such as exact-moments calculation and Wick theorem. We obtain the free-energy density in its full tensorial structure.
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Malacarne, L.C., Mendes, R.S., Lenzi, E.K. et al. A non-Gaussian model in polymeric network. Eur. Phys. J. E 20, 395–399 (2006). https://doi.org/10.1140/epje/i2006-10028-x
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DOI: https://doi.org/10.1140/epje/i2006-10028-x