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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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