Ideal, best packing, and energy minimizing double helices

Details Ideal, best packing, and energy minimizing double helices Ideal, best packing, and energy minimizing double helices

2011-04-04

arxiv.org/abs/1104.0489v2

Physics

Computational Physics

10 pages, 16 figures, to appear in Progress of Theoretical Physics Supplement. Minor change and reference updated

Scientific paper

We study optimal double helices with straight axes (or the fattest tubes around them) computationally using three kinds of functionals; ideal ones using ropelength, best volume packing ones, and energy minimizers using two one-parameter families of interaction energies between two strands of types $r^{-\alpha}$ and $\frac1r\exp(-kr)$. We compare the numerical results with experimental data of DNA.

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