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arXiv 1111.4145hep-th
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超共形N=3 SYM低能有效Action

Superconformal N=3 SYM Low-Energy Effective Action

I. L. Buchbinder, E. A. Ivanov, I. B. Samsonov, B. M. Zupnik

摘要:

我们构造了N =3超Yang-Mills理论的一个明显的N= 3超对称低能有效作用量.有效作用量被写在N=3调和超空间中,并且遵守完全的N=3超共形对称性。在质量壳上,这个作用量负责N=4 SYM有效作用量中的四阶导数项,如F^4/X^4及其超对称完备化,而在壳外,它还涉及高阶导数项。对于常数麦克斯韦场和标量场,它的玻色子部分与AdS_5 × S^5背景中D3膜作用量的玻色子部分在F^6/X^8量级上是一致的。在标量场的扇区中,它包含了具有隐式SU(3)对称性的正确归一化的Wess-Zumino项。

英文摘要:

We construct a manifestly N=3 supersymmetric low-energy effective action of N=3 super Yang-Mills theory. The effective action is written in the N=3 harmonic superspace and respects the full N=3 superconformal symmetry. On mass shell this action is responsible for the four-derivative terms in the N=4 SYM effective action, such as F^4/X^4 and its supersymmetric completions, while off shell it involves also higher-derivative terms. For constant Maxwell and scalar fields its bosonic part coincides, up to the F^6/X^8 order, with the bosonic part of the D3 brane action in the AdS_5 x S^5 background. We also argue that in the sector of scalar fields it involves the correctly normalized Wess-Zumino term with the implicit SU(3) symmetry.

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