Abstract
We study a family of equivalent continuum models in one dimension. All these models map onto a single equation and include simple chemical reactions, diffusion in presence of a trap or a source and an ideal polymer chain near an attractive or repulsive site. We have obtained analytical results for the survival probability, total growth rate, statistical properties of nearest-neighbour distribution between a trap and unreacted particle and mean-squared displacement of the polymer chain. Our results are compared with the known asymptotic results in the theory of discrete random walks on a lattice in presence of a defect.
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Datta, P.K., Jayannavar, A.M. Self-segregation in chemical reactions, diffusion in a catalytic environment and an ideal polymer near a defect. Pramana - J Phys 38, 257–269 (1992). https://doi.org/10.1007/BF02875372
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DOI: https://doi.org/10.1007/BF02875372