| Issue |
EPL
Volume 84, Number 3, November 2008
|
|
|---|---|---|
| Article Number | 33001 | |
| Number of page(s) | 4 | |
| Section | Atomic, Molecular and Optical Physics | |
| DOI | https://doi.org/10.1209/0295-5075/84/33001 | |
| Published online | 20 October 2008 | |
Existence of free energy landscape in linear homopolymers
1
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
Corresponding authors: p.mani@reading.ac.uk ponmurugan@yahoo.com
Received:
5
March
2008
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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