arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 0805.1997hep-th
收藏

一种新的N=4的Orbifold膜Action

A New N=4 Membrane Action via Orbifold

Hiroyuki Fuji, Seiji Terashima, Masahito Yamazaki

摘要:

本文提出了一种新的描述N=4超共形场论的三维拉格朗日量。这个理论被认为描述了轨道上M2-膜的世界体积上的相互作用场论,并作为Bagger和Lambert提出的理论的Z_2-商得到。尽管有不寻常的Chan-Paton结构,我们可以用SU(2)\times SU(2)双基本表示来取Z_2-轨道。我们还对该理论的模空间进行了分析,发现了三个分支。在U(1)对称破缺的假设下,当规范群为O(4)时,模空间与IIA型弦论强耦合极限下的D2-膜模空间是一致的.我们的作用在M-理论中表现出了交换两个R^4/Z_2的Z_2-对称性,这表明在轨道折叠R^4/Z_2上的O2^{-}-膜和具有D 6-膜的O2^{-}-膜之间存在一种新的非微扰对偶。

英文摘要:

We propose a new Lagrangian describing N=4 superconformal field theory in three dimensions. This theory is believed to describe interacting field theory on the worldvolume of a M2-brane on an orbifold, and is obtained as a Z_2-quotient of the theory proposed by Bagger and Lambert. Despite unusual Chan-Paton structures, we can take Z_2-orbifold by using SU(2)\times SU(2) bifundamental representations. We also analyze the moduli space of this theory and found three branches. With an assumption of a broken U(1) symmetry, the moduli space is consistent with that of the D2-brane in the strong coupling limit of Type IIA string theory if the gauge group is O(4). Our action has manifest Z_2-symmetry exchanging two R^4/Z_2's in M-theory, and this suggests a new non-perturbative duality between a O2^{-}-brane on orbifold R^4/Z_2 and a O2^{-}-brane with D6-branes.

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。

↑