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arXiv 1208.0348hep-thmath-phmath.MP
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Fuzzy $S^4$上的标量和旋量场作用:作为$S^4_F$上$S^2_F$丛的Fuzzy PDMATHAAB

Scalar and Spinor Field Actions on Fuzzy $S^4$: fuzzy $CP^3$ as a $S^2_F$ bundle over $S^4_F$

Julieta Medina, Idrish Huet, Denjoe O'Connor, Brian P. Dolan

摘要:

我们给出了压缩模糊$CP^3$的一个明显的Spin(5)不变的构造,它是模糊$S^4$上的模糊$S^2$丛.我们开发了必要的投影仪,并展示了挤压方面的半径的$S^2$和$S^4$。我们的分析使我们能够给标量和旋量模糊作用泛函,其低躺模式的截断版本的交换$S^4$。

英文摘要:

We present a manifestly Spin(5) invariant construction of squashed fuzzy $CP^3$ as a fuzzy $S^2$ bundle over fuzzy $S^4$. We develop the necessary projectors and exhibit the squashing in terms of the radii of the $S^2$ and $S^4$. Our analysis allows us give both scalar and spinor fuzzy action functionals whose low lying modes are truncated versions of those of a commutative $S^4$.

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