arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 0903.4631hep-th
收藏

N=4超杨-米尔斯单圈放大器的近似普适性

Approximate Universality of N=4 Super-Yang--Mills One-Loop Amplitudes

David C. Dunbar, James H. Ettle, Warren B. Perkins

摘要:

对N=4 SYM中色序单圈振幅的研究揭示了一个令人惊讶的性质:在数值上,振幅具有近似普适形式A^{1-loop}_n ~ A^{tree}_n \times U_n,其中U_n与螺旋度无关.如果振幅是MHV振幅,这种形式是精确的,但是对于六、七和八个胶子NMHV单圈振幅,这种形式的“误差”通常小于1%。

英文摘要:

A study of the colour-ordered one-loop amplitudes in N=4 SYM reveals a surprising property: numerically, the amplitudes have an Approximately Universal form A^{1-loop}_n ~ A^{tree}_n \times U_n, where U_n is helicity independent. This form is exact if the amplitude is a MHV amplitude, but has an "error" which is typically less than 1% for the six, seven and eight gluon NMHV one-loop amplitudes.

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。

↑