Anchoring of polymers by traps randomly placed on a line
S. Nechaev, G. Oshanin, A. Blumen
Abstract
We study dynamics of a Rouse polymer chain, which diffuses in a three-dimensional space under the constraint that one of its ends, referred to as the slip-link, may move only along a one-dimensional line containing randomly placed, immobile, perfect traps. For such a model we compute exactly the time evolution of the probability Psl(t) that the chain slip-link will not encounter any of the traps until time t and consequently, that until this time the chain will remain mobile.
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