TITLE

Collapse of Lennard-Jones homopolymers: Size effects and energy landscapes

AUTHOR(S)
Calvo, F.; Doye, J. P. K.; Wales, D. J.
PUB. DATE
February 2002
SOURCE
Journal of Chemical Physics;2/8/2002, Vol. 116 Issue 6, p2642
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The collapse of Lennard-Jones homopolymers is investigated by means of Monte Carlo simulations and the inherent structure/superposition approach, with special emphasis on finite size effects. At thermal equilibrium, the polymers undergo a series of phase changes from the zero temperature folded state to a coexistence state, a molten globule state, the coil state, and finally to a high-temperature “soft” state where the bond lengths vary significantly from their equilibrium value. The correlation between the thermodynamic characteristics of the polymers and those of clusters is interpreted in terms of the energy landscapes of the two systems. © 2002 American Institute of Physics.
ACCESSION #
5985721

 

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