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arXiv 1005.3033hep-th
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F(uzz)理论的证据

Evidence for F(uzz) Theory

Jonathan J. Heckman, Herman Verlinde

摘要:

我们证明了在F-理论紧化的退耦极限中,七层膜的内部方向必须包裹一个非对易的四圈S。我们介绍了一种通用的方法,通过复曲面几何获得模糊几何空间,并开发工具,工程四维大统一模型,从这个非交换设置。我们得到的手征物质含量和汤川耦合,并表明该理论有一个有限的Kaluza-Klein谱。1/alpha_(GUT)的值被预测为等于内部四圈S上模糊点的数目。这个关系对规范理论的空间施加了一个非平凡的限制,它可以作为F理论的极限而出现。通过观察由D3-膜平铺在几何的N个模糊点上的7-膜,我们认为这个理论在大N极限下允许全息对偶描述。我们也考虑了构造具有大的模糊额外维度的弦模型的可能性,但是对于量子引力来说,它具有高的尺度。

英文摘要:

We show that in the decoupling limit of an F-theory compactification, the internal directions of the seven-branes must wrap a non-commutative four-cycle S. We introduce a general method for obtaining fuzzy geometric spaces via toric geometry, and develop tools for engineering four-dimensional GUT models from this non-commutative setup. We obtain the chiral matter content and Yukawa couplings, and show that the theory has a finite Kaluza-Klein spectrum. The value of 1/alpha_(GUT) is predicted to be equal to the number of fuzzy points on the internal four-cycle S. This relation puts a non-trivial restriction on the space of gauge theories that can arise as a limit of F-theory. By viewing the seven-brane as tiled by D3-branes sitting at the N fuzzy points of the geometry, we argue that this theory admits a holographic dual description in the large N limit. We also entertain the possibility of constructing string models with large fuzzy extra dimensions, but with a high scale for quantum gravity.

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