Moments of partition functions of 2D Gaussian polymers in the weak disorder regime. II
In this paper, the authors investigate the moments of partition functions of 2D Gaussian polymers in the weak disorder regime. They establish a lower bound for these moments that aligns with the leading order. It is worth noting that the upper bound was previously derived by the same authors in [Commun. Math. Phys. 403, No. 1, 417--450 (2023; Zbl 1525.60081)].
two-dimensional subcritical directed polymer
scientific article; zbMATH DE number 7904058