时变波包中势垒扰动引起的超至波和非定域性
Barrier Perturbation Induced Superarrivals and Nonlocality in a Time-Evolving Wave Packet
摘要：
本文计算了高斯波包在矩形势垒上反射的时间演化概率。发现一个时间间隔，在此期间，这种反射的概率增强（superarrivals）相比，未受干扰的情况下。这种随时间演化的反射几率意味着扰动的影响在波包中的传播速度比它的群速度快--这是一种奇怪的非定域性形式。
英文摘要：
We compute the time evolving probability of a Gaussian wave packet to be reflected from a rectangular potential barrier which is perturbed by reducing its height. A time interval is found during which this probability of reflection is enhanced (superarrivals) compared to the unperturbed case. Such a time evolving reflection probability implies that the effect of perturbation propagates across the wave packet faster than its group velocity - a curious form of nonlocality.
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。
