Abstract
The complex zeros of the canonical (fixed walk-length) partition function are calculated for both the self-avoiding trails model and the vertex-interacting self-avoiding walk model, both in bulk and in the presence of an attractive surface. The finite-size behavior of the zeros is used to estimate the location of phase transitions: the collapse transition in the bulk and the adsorption transition in the presence of a surface. The bulk and surface cross-over exponents, ϕ and ϕS, are estimated from the scaling behavior of the leading partition function zeros.
Original language | English |
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Number of pages | 14 |
Journal | Entropy |
Volume | 21 |
Issue number | 2 |
DOIs | |
Publication status | Published - 5 Feb 2019 |
Bibliographical note
Copyright © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).Keywords
- Complex zeros
- Critical exponents
- Frustration
- Phase transitions
- Polymers
- Self-avoiding walks