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arXiv 0710.0487hep-lat
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一维双超荷晶格超对称性

Lattice supersymmetry in 1D with two supercharges

S. Arianos, A. D'Adda, N. Kawamoto, J. Saito

摘要:

一个完全的超对称理论的一致制定的晶格一直是一个长期存在的挑战。近年来,人们对这一问题重新产生了兴趣,并采取了不同的方法。在我们下面提出的公式的基础上,有Dirac-Kahler扭曲过程,它是在连续体中为许多理论提出的,包括N=4的四维超对称性。在最近的论文中发展的形式主义之后,使用基于矩阵的模型实现了一维晶格上具有两个超荷的精确超对称理论。从二维非对易场论中的移位矩阵和时钟矩阵中得到矩阵结构。的矩阵结构再现在一个一维晶格的预期修改莱布尼茨规则。最近的索赔不一致的形式主义进行了讨论,并显示不相关。

英文摘要:

A consistent formulation of a fully supersymmetric theory on the lattice has been a long standing challenge. In recent years there has been a renewed interest on this problem with different approaches. At the basis of the formulation we present in the following there is the Dirac-Kahler twisting procedure, which was proposed in the continuum for a number of theories, including N=4 SUSY in four dimensions. Following the formalism developed in recent papers, an exact supersymmetric theory with two supercharges on a one dimensional lattice is realized using a matrix-based model. The matrix structure is obtained from the shift and clock matrices used in two dimensional non-commutative field theories. The matrix structure reproduces on a one dimensional lattice the expected modified Leibniz rule. Recent claims of inconsistency of the formalism are discussed and shown not to be relevant.

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