θ-point temperature and exponents for the bond fluctuation model

Sergey V. Buldyrev and Francesco Sciortino

Physica A: Statistical Mechanics and its Applications, 1992, vol. 182, issue 3, 346-352

Abstract: We calculate the θ-temperature and the associated critical exponents for the bond fluctuation polymer model of Carmesin and Kremer in two dimensions. The critical exponent values are in agreement with the theoretical predictions. We find that the extra mobility introduced by the flexible bond serves to shift the crossover to the ideal tricritical behavior to a shorter polymer length, compared with previously studied lattice models. In particular, bond-flexible simulations with polymer lengths of the order of 50 already successfully reproduce the properties of infinite chains.

Date: 1992
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:182:y:1992:i:3:p:346-352

DOI: 10.1016/0378-4371(92)90348-T

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