We study random pinning and copolymer models, when the return distribution of the underlying renewal process has a polynomial tail with finite mean. We compute the asymptotic behavior of the critical curves of the models in the weak coupling regime, showing that it is universal. This proves a conjecture of Bolthausen, den Hollander and Opoku for copolymer models (Bolthausen et al., in Ann Probab, 2012), which we also extend to pinning models.

Berger, Q., Caravenna, F., Poisat, J., Sun, R., Zygouras, N. (2014). The Critical Curves of the Random Pinning and Copolymer Models at Weak Coupling. COMMUNICATIONS IN MATHEMATICAL PHYSICS, 326(2), 507-530 [10.1007/s00220-013-1849-0].

The Critical Curves of the Random Pinning and Copolymer Models at Weak Coupling

CARAVENNA, FRANCESCO;
2014

Abstract

We study random pinning and copolymer models, when the return distribution of the underlying renewal process has a polynomial tail with finite mean. We compute the asymptotic behavior of the critical curves of the models in the weak coupling regime, showing that it is universal. This proves a conjecture of Bolthausen, den Hollander and Opoku for copolymer models (Bolthausen et al., in Ann Probab, 2012), which we also extend to pinning models.
Articolo in rivista - Articolo scientifico
Statistical and Nonlinear Physics; Mathematical Physics; Pinning Model; Copolymer Model; Critical Curve; Fractional Moments; Coarse Graining
English
2014
326
2
507
530
none
Berger, Q., Caravenna, F., Poisat, J., Sun, R., Zygouras, N. (2014). The Critical Curves of the Random Pinning and Copolymer Models at Weak Coupling. COMMUNICATIONS IN MATHEMATICAL PHYSICS, 326(2), 507-530 [10.1007/s00220-013-1849-0].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/55691
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