论文标题
弦记忆...公开重述
String Memories ... openly retold
论文作者
论文摘要
我们将字符串校正确定为EM内存效果。尽管在低能限制中很大程度上可以忽略不计，但这种影响与高能碰撞和极端事件有关。我们在简单的无定向的玻色弦模型中说明了我们的发现。得益于无限的开放式弦谐解塔的连贯效果，校正在$α'$中是无扰动的，在智障时间调节，甚至在离源距离很远的地方也会缓慢衰减。对于树级4点振幅中运动学的特殊选择，获得了非常紧凑的表达式。我们讨论在更高点处发生的进一步校正以及由于循环引起的大规模杆的扩展和转移而导致的指数阻尼。最后，我们估算了在半现实（I型）上下文中可检测性的参数和质量的范围，并提出了此字符串记忆效应的基本原理。
We identify string corrections to the EM memory effect. Though largely negligible in the low-energy limit, the effect become relevant in high-energy collisions and in extreme events. We illustrate our findings in a simple unoriented bosonic string model. Thanks to the coherent effect of the infinite tower of open string resonances, the corrections are non-perturbative in $α'$, modulated in retarded time and slowly decaying even at large distances from the source. Remarkably compact expressions obtain for special choices of the kinematics in tree-level 4-point amplitudes. We discuss further corrections occurring at higher-points and the exponential damping resulting from broadening and shifting of the massive poles due to loops. Finally we estimate the range of the parameters and masses for detectability in semi-realistic (Type I) contexts and propose a rationale for this string memory effect.
