arXivDaily arXiv每日学术速递 周一至周五更新
北美退伍军人节(Veterans Day),12 日无更新
arXiv 0801.1542hep-thhep-ph
收藏

N=4超级杨米尔斯模空间上的散射

Scattering on the Moduli Space of N=4 Super Yang-Mills

Robert M. Schabinger

摘要:

我们计算了N=4的超杨-米尔斯理论中远离模空间原点的单圈散射振幅,并证明了结果非常简单,与共形不变量理论中的方法基本相同。具体地说,我们考虑了SU(2)规范群自发分解为U(1)的模型。给出了模型的全分量拉格朗日密度的形式,可用于微扰计算。我们认为有质量外态的散射振幅值得进一步研究。最后,我们的工作表明,环路修正可以很容易地计算在一个质量调节的N=4的理论,这可能是相关的,试图连接弱耦合的结果与强耦合,最近讨论的Alday和Maldacena。

英文摘要:

We calculate one-loop scattering amplitudes in N=4 super Yang-Mills theory away from the origin of the moduli space and demonstrate that the results are extremely simple, in much the same way as in the conformally invariant theory. Specifically, we consider the model where an SU(2) gauge group is spontaneously broken down to U(1). The complete component Lagrange density of the model is given in a form useful for perturbative calculations. We argue that the scattering amplitudes with massive external states deserve further study. Finally, our work shows that loop corrections can be readily computed in a mass-regulated N=4 theory, which may be relevant in trying to connect weak-coupling results with those at strong coupling, as discussed recently by Alday and Maldacena.

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。

↑