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arXiv 1109.0656hep-lathep-thmath-phmath.MP
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非厄米特Wilson Dirac算子的本征值密度

Eigenvalue Density of the non-Hermitian Wilson Dirac Operator

Mario Kieburg, Jacobus J. M. Verbaarschot, Savvas Zafeiropoulos

摘要:

在$ε$ -域中,我们发现了非厄米Wilson Dirac算子的本征值密度对晶格间距的依赖性.出发点是相应随机矩阵理论的联合概率密度。除了复本征值的密度,我们还得到了实本征值的密度分别为积极和消极的手征性,以及一个明确的解析表达式的额外的实模式的数量。

英文摘要:

We find the lattice spacing dependence of the eigenvalue density of the non-Hermitian Wilson Dirac operator in the $ε$-domain. The starting point is the joint probability density of the corresponding random matrix theory. In addition to the density of the complex eigenvalues we also obtain the density of the real eigenvalues separately for positive and negative chiralities as well as an explicit analytical expression for the number of additional real modes.

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