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arXiv 2212.00525math-phmath.MPmath.PRnlin.SI
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弱非厄米性下的复椭圆Ginibre系综:体间距分布

The complex elliptic Ginibre ensemble at weak non-Hermiticity: bulk spacing distributions

Thomas Bothner, Alex Little

摘要:

我们表明,从复杂的椭圆形Ginibre系综随机矩阵的相邻特征值实部对之间的体间距的分布是渐近给出的Gaudin-Mehta分布的推广,在弱非厄米性的限制。同样的推广表示在一个积分微分Painlevé函数,它表明,广义Gaudin-Mehta分布描述的交叉,随着非厄米性程度的增加,从Gaudin-Mehta最近邻体统计的高斯酉Entrance的泊松间隙统计的特征值实部的大部分复杂Ginibre Entrance。

英文摘要:

We show that the distribution of bulk spacings between pairs of adjacent eigenvalue real parts of a random matrix drawn from the complex elliptic Ginibre ensemble is asymptotically given by a generalization of the Gaudin-Mehta distribution, in the limit of weak non-Hermiticity. The same generalization is expressed in terms of an integro-differential Painlevé function and it is shown that the generalized Gaudin-Mehta distribution describes the crossover, with increasing degree of non-Hermiticity, from Gaudin-Mehta nearest-neighbor bulk statistics in the Gaussian Unitary Ensemble to Poisson gap statistics for eigenvalue real parts in the bulk of the Complex Ginibre Ensemble.

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