Bethe approximation for a DNA-like self-avoiding walk model with variable solvent quality.
The phase diagram and critical behavior of a simple toy model for DNA zipping/unzipping are examined in the framework of the Bethe approximation. The effects of solvent quality are included and found to lead to a variety of different thermodynamic behaviors.
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Laboratoire de Physique Théorique et Modélisation, CNRS UMR 8089, Université de Cergy-Pontoise, 2 ave A. Chauvin 95302 Cergy-Pontoise Cedex, France.
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D000465:Algorithms; D003198:Computer Simulation; D004247:DNA / Q000737:chemistry* / Q000648:ultrastructure*; D046911:Macromolecular Substances / Q000737:chemistry; D008956:Models, Chemical; D008958:Models, Molecular; D009038:Motion; D009690:Nucleic Acid Conformation; D012997:Solvents / Q000737:chemistry*
D046911:Macromolecular Substances; D012997:Solvents; D004247:DNA