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 2002.12335hep-thhep-ph
收藏

AdS中的有效场论:连续区、软弹和IR的涌现

Effective Field Theory in AdS: Continuum Regime, Soft Bombs, and IR Emergence

Alexandria Costantino, Sylvain Fichet, Philip Tanedo

摘要:

我们考虑任意能量下洛伦兹五维AdS切片中的标量场。我们发现,存在大量的相互作用分离的行为的理论分为两个不同的制度:卡鲁扎-克莱因和连续。我们确定这些制度之间的过渡尺度,并表明,紫外膜关联函数是独立的红外膜本地化运营商的四个动量超过这个过渡尺度。诱发跃迁的相同的体相互作用也引起级联衰变。我们研究这些级联衰变的情况下,一个立方自相互作用的连续制度。我们发现,级联衰减进展缓慢的IR区域,并产生软球的最终状态,根据以前的结果从重力和CFT。我们确定了不同的腿数的综合平方振幅之间的递归关系,从而评估的总速率。我们发现,级联衰减的连续制度呈指数抑制。这一特征使红外膜的图像完整,就像从紫外膜上看到的那样,是一个出射扇区。我们简要讨论了胶球的全息对偶描述的一致性和暗扇区模型的一些影响。

英文摘要:

We consider a scalar field in a slice of Lorentzian five-dimensional AdS at arbitrary energies. We show that the presence of bulk interactions separate the behavior of the theory into two different regimes: Kaluza--Klein and continuum. We determine the transition scale between these regimes and show that UV brane correlation functions are independent of IR brane-localized operators for four-momenta beyond this transition scale. The same bulk interactions that induce the transition also give rise to cascade decays. We study these cascade decays for the case of a cubic self-interaction in the continuum regime. We find that the cascade decay progresses slowly towards the IR region and gives rise to soft spherical final states, in accordance with former results from both gravity and CFT. We identify a recursion relation between integrated squared amplitudes of different leg numbers and thus evaluate the total rate. We find that cascade decays in the continuum regime are exponentially suppressed. This feature completes the picture of the IR brane as an emergent sector as seen from the UV brane. We briefly discuss consistency with the holographic dual description of glueballs and some implications for dark sector models.

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。

↑