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http://hdl.handle.net/1942/3052
Title: | Sequence randomness and polymer collapse transitions | Authors: | Monari, P. Stella, AL VANDERZANDE, Dirk Orlandini, E |
Issue Date: | 1999 | Publisher: | AMERICAN PHYSICAL SOC | Source: | PHYSICAL REVIEW LETTERS, 83(1). p. 112-115 | Abstract: | Chain disorder with frustration can modify the universality class of scaling at the theta transition of heteropolymers. This is shown for a model with random two-body potentials in 2D on the basis of exact enumeration and accurate Monte Carlo results. When the average fraction of repulsive monomer-monomer interactions grows beyond a certain finite threshold, the temperature below which disorder becomes relevant coincides with the theta one, and scaling exponents definitely start deviating from those valid For homopolymers. | Notes: | Univ Padua, INFM, Dipartimento Fis, I-35131 Padua, Italy. Abdus Salam ICTP, I-34100 Trieste, Italy. Univ Padua, Sez INFN, I-35100 Padua, Italy. Limburgs Univ Ctr, Dept WNI, B-3590 Diepenbeek, Belgium.Monari, P, Univ Padua, INFM, Dipartimento Fis, I-35131 Padua, Italy. | Document URI: | http://hdl.handle.net/1942/3052 | DOI: | 10.1103/PhysRevLett.83.112 | ISI #: | 000081238000028 | Type: | Journal Contribution | Validations: | ecoom 2000 |
Appears in Collections: | Research publications |
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