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arXiv 0710.4864hep-th
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非平面Beta变形N=4 SYM理论的共形不变性和有限性定理

Conformal invariance and finiteness theorems for non-planar beta-deformed N=4 SYM theory

Federico Elmetti, Andrea Mauri, Marco Pirrone

摘要:

利用耦合常数约化(CCR)方法研究了非平面β变形N=4 SYM理论的共形不变性.我们证明,直到g^10阶,与平面情形不同,我们可以在理论定义中去除方案依赖性,而不简化为实beta情形。我们还计算了规范beta函数到四个循环,并看到[hep-th:0705.1483]中提出的广义有限性定理仍然成立。

英文摘要:

We study the conformal invariance of non-planar beta-deformed N=4 SYM theory using the coupling constant reduction (CCR) formalism. We show that up to order g^10, differently from the planar case, we can remove the scheme dependence in the definition of the theory without reducing to the real beta case. We also compute the gauge beta function up to four loops and see that the generalized finiteness theorems proposed in [hep-th: 0705.1483] still hold.

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