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arXiv 1503.05350hep-thmath.DG
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对称空间上的(M-理论-)Killing旋量

(M-theory-)Killing spinors on symmetric spaces

Noel Hustler, Andree Lischewski

摘要:

我们展示了如何减少齐性空间的不变主丛连接的理论可以应用于确定的holonomy的广义Killing旋量协变衍生物的形式$D= \nabla + Ω$在一个纯粹的代数和算法的方式,其中$Ω: TM \rightarrow Λ^*(TM)$是一个左不变同态。专门针对对称M-理论背景的情况(即$(M,g,F)$与$(M,g)$一个对称空间和$F$一个不变的封闭4-形式),我们得出了这样的背景保持一定的超对称性,从而找到所有超对称对称M-理论背景的几个标准。

英文摘要:

We show how the theory of invariant principal bundle connections for reductive homogeneous spaces can be applied to determine the holonomy of generalised Killing spinor covariant derivatives of the form $D= \nabla + Ω$ in a purely algebraic and algorithmic way, where $Ω: TM \rightarrow Λ^*(TM)$ is a left-invariant homomorphism. Specialising this to the case of symmetric M-theory backgrounds (i.e. $(M,g,F)$ with $(M,g)$ a symmetric space and $F$ an invariant closed 4-form), we derive several criteria for such a background to preserve some supersymmetry and consequently find all supersymmetric symmetric M-theory backgrounds.

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