Freezing and collapse of flexible polymers

Details Freezing and collapse of flexible polymers Freezing and collapse of flexible polymers

2009-02-13

arxiv.org/abs/0902.2340v1

NIC Series, Vol. 40. John von Neumann Institute for Computing (NIC), Juelich (2008)

Physics

Condensed Matter

Soft Condensed Matter

Scientific paper

We analyze the freezing and collapse transition of a simple model for flexible polymer chains on simple cubic and face-centered cubic lattices by means of sophisticated chain-growth methods. In contrast to bond-fluctuation polymer models in certain parameter ranges, where these two conformational transitions were found to merge in the thermodynamic limit, we conclude from our results that the two transitions remain well-separated in the limit of infinite chain lengths. The reason for this qualitatively distinct behavior is presumably due to the ultrashort attractive interaction range in the lattice models considered here.

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