arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2103.06841math.PRmath-phmath.MP
收藏

$β$ -系综的最优局部律和中心极限定理

Optimal local law and central limit theorem for $β$-ensembles

Paul Bourgade, Krishnan Mody, Michel Pain

摘要:

在通用的$β$ -系综的设置中,我们使用循环方程的层次证明了一个本地法律的最佳误差为一个常数,有效的任何规模,包括微观。当地法律有以下后果。(i)有序颗粒的最佳刚性尺度在光谱的主体中为$(\log N)/N$级。(ii)粒子的涨落满足中心极限定理,其协方差对应于一个物理相关场;特别地,块体中的每个粒子在$\sqrt{\log N}/N$尺度上涨落。(iii)电势的对数也满足数学相关的中心极限定理。与随机矩阵普适性的许多进展相反,这些结果并不是通过比较进行的。实际上,它们对于高斯$β$ -系综是新的。通过比较技术,(ii)和(iii)也适用于维格纳矩阵。

英文摘要:

In the setting of generic $β$-ensembles, we use the loop equation hierarchy to prove a local law with optimal error up to a constant, valid on any scale including microscopic. This local law has the following consequences. (i) The optimal rigidity scale of the ordered particles is of order $(\log N)/N$ in the bulk of the spectrum. (ii) Fluctuations of the particles satisfy a central limit theorem with covariance corresponding to a logarithmically correlated field; in particular each particle in the bulk fluctuates on scale $\sqrt{\log N}/N$. (iii) The logarithm of the electric potential also satisfies a logarithmically correlated central limit theorem. Contrary to much progress on random matrix universality, these results do not proceed by comparison. Indeed, they are new for the Gaussian $β$-ensembles. By comparison techniques, (ii) and (iii) also hold for Wigner matrices.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑