弱无序下超出$L^2$相的有向聚合物配分函数涨落
概率论
2023-07-11 v3 数学物理
math.MP
摘要
我们研究有界环境中的有向聚合物模型在弱无序但无有界性下的行为,具体研究场的均匀化速度,其中表示起始于的聚合物的关联鞅。我们证明,在直径为的集合上适当重新中心化的空间平均以速率收敛到零,其中指数是逆温度的显式函数。
引用
@article{arxiv.2202.02907,
title = {Fluctuations of partition functions of directed polymers in weak disorder beyond the $L^2$-phase},
author = {Stefan Junk},
journal= {arXiv preprint arXiv:2202.02907},
year = {2023}
}
备注
v2: corrected a mistake in Theorem 1.4(i). v3: revised version with more details on the proofs. Removed an assumption in Theorem 1.1