Volume 84, Number 3, November 2008
|Number of page(s)||4|
|Section||Atomic, Molecular and Optical Physics|
|Published online||20 October 2008|
Existence of free energy landscape in linear homopolymers
Materials Science Division, Indira Gandhi Centre for Atomic Research - Kalpakkam - 603102, Tamilnadu, India
2 School of Mathematics, Meteorology and Physics, University of Reading - Reading RG6 6AF, UK, EU
Accepted: 22 September 2008
We observe the existence of free energy landscape as a function of end-to-end distance in linear homopolymers. For different temperatures, we find that the equilibrium free energy landscape of homopolymers as a function of end-to-end distance closely resembles a recent investigation (Imparato A., Luccioli S. and Torcini A. Phys. Rev. Lett., 99 (2007) 168101) of a mechanically unfolded model protein. Our exact enumeration study provides a new link between the theory of protein folding and polymers.
PACS: 36.20.Ey – Conformation (statistics and dynamics) / 64.60.De – Statistical mechanics of model systems (Ising model, Potts model, field-theory models, Monte Carlo techniques, etc.) / 05.20.-y – Classical statistical mechanics
© EPLA, 2008
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