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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3052

Title: Sequence randomness and polymer collapse transitions
Authors: Monari, P.
Stella, AL
Orlandini, E
Issue Date: 1999
Citation: 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.
URI: http://hdl.handle.net/1942/3052
DOI: 10.1103/PhysRevLett.83.112
ISI #: 000081238000028
ISSN: 0031-9007
Type: Journal Contribution
Validation: ecoom, 2000
Appears in Collections: Research publications

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