The globule-coil transition in a mean field approach

Details The globule-coil transition in a mean field approach The globule-coil transition in a mean field approach

2006-12-11

arxiv.org/abs/cond-mat/0612256v1

Physics

Condensed Matter

Statistical Mechanics

revtex, 9 pages, 4 figures

Scientific paper

In this paper we study the unfolding transition observed in polymer stretching experiments. We use a known model and extend it with a mean-field-like interaction. Expressions for all necessary thermodynamic variables as a function of the model parameters are derived in closed form. To obtain the exact force-extension relation at constant temperature, we invert these relations numerically. Below a critical temperature the model exhibits a sharp first order phase transition.

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