arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1011.0761hep-lathep-th
收藏

纯费米子和极小加倍费米子的指数定理和重叠形式

Index Theorem and Overlap Formalism with Naive and Minimally Doubled Fermions

Michael Creutz, Taro Kimura, Tatsuhiro Misumi

摘要:

我们提出了一个理论基础的指数定理在天真和最小加倍格费米子通过研究谱流的厄米版本的狄拉克运营商。我们利用点分裂的方法来实现风味质量项,这在构造适当的厄米算子中起着重要作用。我们表明,谱流正确地检测到指数的可能是零模式,这是由规范场拓扑结构。使用风味的质量条款,我们提出了新类型的重叠费米子从天真的费米子内核,与一些口味,这取决于质量条款的选择。我们成功地得到了一个单一味的朴素重叠费米子,保持超立方对称性。

英文摘要:

We present a theoretical foundation for the Index theorem in naive and minimally doubled lattice fermions by studying the spectral flow of a Hermitean version of Dirac operators. We utilize the point splitting method to implement flavored mass terms, which play an important role in constructing proper Hermitean operators. We show the spectral flow correctly detects the index of the would-be zero modes which is determined by gauge field topology. Using the flavored mass terms, we present new types of overlap fermions from the naive fermion kernels, with a number of flavors that depends on the choice of the mass terms. We succeed to obtain a single-flavor naive overlap fermion which maintains hypercubic symmetry.

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。

↑