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Dynamic Monte Carlo study on the probability distribution functions of tail-like polymer chain |
CHEN Ying-cai, LUO Meng-bo |
Department of Physics, Taizhou University, Taizhou 317000, China; Department of Physics, Zhejiang University, Hangzhou 310027, China |
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Abstract The configurational properties of tail-like polymer chains with one end attached to a flat surface are studied by using dynamic Monte Carlo technique. We find that the probability distribution of the free end in z direction P(Rz) and the density profile ρ(z) can be scaled approximately by a factor β to be a length independent function for both random walking (RW) and self-avoiding walking (SAW) tail-like chains, where the factor β is related to the mean square end-to-end distance <R2>. The scaled P(Rz) of the SAW chain roughly overlaps that of the RW chain, but the scaled ρ(z) of the SAW chain locates at smaller βz than that of the RW chain.
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Received: 21 June 2005
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