Bimodal distribution function of a 3d wormlike chain with a fixed orientation of one end
arXiv:cond-mat/0611526 · doi:10.1103/PhysRevE.75.061801
Abstract
We study the distribution function of the three dimensional wormlike chain with a fixed orientation of one chain end using the exact representation of the distribution function in terms of the Green's function of the quantum rigid rotator in a homogeneous external field. The transverse 1d distribution function of the free chain end displays a bimodal shape in the intermediate range of the chain lengths (). We present also analytical results for short and long chains, which are in complete agreement with the results of previous studies obtained using different methods.
6 pages, 3 figures
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