用基础物理知识诠释前沿科技——从斯特恩-盖拉赫实验到量子弱测量EXPLAINING FRONTIER TECHNOLOGY WITH BASIC PHYSICS KNOWLEDGE——FROM STERN-GERLACH EXPERIMENT TO QUANTUM WEAK MEASUREMENT
吴春旺,张杰,吴伟,张婷
摘要(Abstract):
利用量子弱测量技术,可使很弱的相互作用引起显著的观测效应,在观测极弱物理效应、量子参量估计、量子态层析等方面发挥重要作用,已成为当前量子测量领域的研究热点。本文以斯特恩-盖拉赫(Stern-Gerlach)实验为切入点,利用大学物理范畴的量子力学知识阐释了量子弱测量的物理图像,并进一步介绍了该领域的前沿进展。本文有助于加深物理教师对量子弱测量这一前沿问题的理解,帮助学生建立清晰的物理图像。在教学过程中引入前沿科技,也有助于激发学生主动探索和进一步研究的兴趣和热情。本文旨在基础物理原理和高新尖技术之间搭建桥梁,有益于大学物理教学拓宽思路、提升品位。
关键词(KeyWords): 量子弱测量;斯特恩-盖拉赫实验;量子测量
基金项目(Foundation): 国家重点研发计划项目(2016YFA0301903);; 国家自然科学基金(12004430;11904402;61632021;12174447;12174448)
作者(Author): 吴春旺,张杰,吴伟,张婷
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