Marginally compact fractal trees with semiflexibility
arXiv:1706.07589 · doi:10.1103/PhysRevE.96.012501
Abstract
We study marginally compact macromolecular trees that are created by means of two different fractal generators. In doing so, we assume Gaussian statistics for the vectors connecting nodes of the trees. Moreover, we introduce bond-bond correlations that make the trees locally semiflexible. The symmetry of the structures allows an iterative construction of full sets of eigenmodes (notwithstanding the additional interactions that are present due to semiflexibility constraints), enabling us to get physical insights about the trees' behavior and to consider larger structures. Due to the local stiffness the self-contact density gets drastically reduced.
arXiv comment16 pages, 12 figures, accepted for publication in PRE
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