Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/2237
Title: Polymer theta-point as a knot delocalization transition
Authors: Orlandini, E
Stella, AL
VANDERZANDE, Carlo 
Issue Date: 2003
Publisher: AMERICAN PHYSICAL SOC
Source: PHYSICAL REVIEW E, 68(3)
Abstract: We study numerically the tightness of prime flat knots in a model of self-attracting polymers with excluded volume. We find that these knots are localized in the high temperature swollen regime, but become delocalized in the low temperature globular phase. Precisely at the collapse transition, the knots are weakly localized. Some of our results can be interpreted in terms of the theory of polymer networks, which allows one to conjecture exact exponents for the knot length probability distributions.
Notes: Univ Padua, Dipartimento Fis, INFM, I-35131 Padua, Italy. Univ Padua, Sez INFN, I-35131 Padua, Italy. Limburgs Univ Ctr, Dept WNI, B-3590 Diepenbeek, Belgium. Katholieke Univ Leuven, Inst Theoret Fys, B-3001 Heverlee, Belgium.Orlandini, E, Univ Padua, Dipartimento Fis, INFM, I-35131 Padua, Italy.
Document URI: http://hdl.handle.net/1942/2237
ISSN: 1063-651X
DOI: 10.1103/PhysRevE.68.031804
ISI #: 000185756000057
Category: A1
Type: Journal Contribution
Validations: ecoom 2004
Appears in Collections:Research publications

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