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arXiv 1107.5019math-phmath.MP
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随机矩阵的诱导Ginibre系综与量子运算

Induced Ginibre ensemble of random matrices and quantum operations

J. Fischmann, W. Bruzda, B. A. Khoruzhenko, H. -J. Sommers, K. Zyczkowski

摘要:

介绍了非厄米特随机方阵的Ginibre系综的一个推广。相应的概率测度是由矩形高斯矩阵的集合通过二次化过程引起的。我们推导出这种诱导Ginibre系综的本征值的联合概率密度,并研究了复矩阵和实矩阵的各种谱关联函数,分析了大维数极限下的普遍行为。在此极限下,诱导Ginibre系综的本征值均匀地覆盖复平面上的一个环。真实的诱导Ginibre系综被证明是有用的描述与随机量子操作,输入状态和输出状态的尺寸不同的演化算子的统计特性。

英文摘要:

A generalisation of the Ginibre ensemble of non-Hermitian random square matrices is introduced. The corresponding probability measure is induced by the ensemble of rectangular Gaussian matrices via a quadratisation procedure. We derive the joint probability density of eigenvalues for such induced Ginibre ensemble and study various spectral correlation functions for complex and real matrices, and analyse universal behaviour in the limit of large dimensions. In this limit the eigenvalues of the induced Ginibre ensemble cover uniformly a ring in the complex plane. The real induced Ginibre ensemble is shown to be useful to describe statistical properties of evolution operators associated with random quantum operations, for which the dimensions of the input state and the output state do differ.

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。

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