Transient Quantum Beat Oscillations in Extreme-Relativistic Diffraction in Time
Transient Quantum Beat Oscillations in Extreme-Relativistic Diffraction in Time作者机构：Universidad Nacional Autónoma de México Facultad de Ciencias Física CDMX Coyoacán México
出 版 物：《Journal of Modern Physics》 (现代物理（英文）)
年 卷 期：2021年第12卷第1期
页 面：1-9页
学科分类：07[理学] 0701[理学-数学] 070101[理学-基础数学]
主 题：Quantum Beat Oscillations Relativistic Diffraction in Time
摘 要：In the solution of the Klein-Gordon equation for the shutter problem, we prove that, at internuclear distances, a relativistic beam of Pi-mesons has a probability density which oscillates in time in a similar way to the spatial dependence in optical Fresnel diffraction from a straight edge. However, for an extreme-relativistic beam, the Fresnel oscillations turn into quantum damped beat oscillations. We prove that quantum beat oscillations are the consequence, at extreme-relativistic velocities, of the interference between the initial incident wave function, and the Green’s function in the relativistic shutter problem. This is a pure quantum relativistic phenomenon.
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