Kinetically driven helix formation during the homopolymer collapse process

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Using Langevin simulations, we find that simple 'generic' bead-and-spring homopolymer chains in a sufficiently bad solvent spontaneously develop helical order during the process of collapsing from an initially stretched conformation. The helix formation is initiated by the unstable modes of the straight chain, which drive the system towards a long-lived metastable transient state. The effect is most pronounced if hydrodynamic interactions are screened.
4 pages, 4 figures

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Soft Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/156473

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0803.1070
 http://arxiv.org/abs/0803.1070
 Phys. Rev. E 77, 020802(R) (2008)
 doi:10.1103/PhysRevE.77.020802

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arXiv