引导字符串Kawai-Lewellen-Tye内核进行引导
Alan Shih-Kuan Chen1, Henriette Elvang1, Aidan Herderschee1
1Leinweber Center for Theoretical Physics, Randall Laboratory of Physics University of Michigan, 450 Church Street, Ann Arbor, Michigan 48109-1040, USA.
Physical review letters
|August 4, 2023
概括
我们发现,在有效的场理论中,双复制地图受到自我一致性的约束. 由此产生的内核在弦理论和场论关系之间进行插入,没有其他可能性.
科学领域:
- 理论物理 理论物理
- 量子场理论 量子场理论
- 弦理论中的弦理论.
背景情况:
- 双复制处方与引力相关的测量理论.
- 有效场理论 (EFT) 为描述特定能量尺度上的物理现象提供了一个框架.
- 了解双复制地图的限制对于统一这些理论框架至关重要.
研究的目的:
- 调查有效场理论中对幅度的双复制地图的约束.
- 确定双副本内核的结构及其对动力学变量的依赖.
- 为了澄清弦理论和场理论关系之间的关系在双重副本的背景下.
主要方法:
- 在有效场理论中分析四点振幅的自我一致性和局部条件.
- 衍生出双复制内核的一般形式.
- 将衍生的内核与现有的双复制结构比较,如卡瓦伊-莱威伦-泰 (KLT) 和周期积分.
主要成果:
- 双复制地图受到自我一致性 (四分) 和局部性 (六分) 的严重限制.
- 由此衍生的双拷贝内核取决于两个参数和一个对称的函数 s,t,u.
- 内核在KLT字符串复制和开放/关闭字符串周期积分之间进行插入.
- 振幅必须满足弦单体关系或场理论的Kleiss-Kuijf (KK) 和Bern,Carrasco和Johansson (BCJ) 关系.
结论:
- 这项研究阐明了四点弦理论双重副本里曼子函数值的单值投影属性.
- 这些发现建立了一套独特的可能关系,双复制幅度必须遵守.
- 这项工作通过双复制机制,更深入地了解了弦理论和量子场理论之间的联系.
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