量子动能密度：一种操作方法
Quantum kinetic energy densities: An operational approach
摘要：
我们提出并研究了一个程序来测量，至少在原则上，一个积极的量子版本的本地动能密度。这个过程是基于，在一定的理想化的限制下，由移动的原子，激发一个本地化的激光束发射的光子的检测率。同一类型的实验，但在不同的限制，也可以提供其他非正定版本的动能密度。与量子到达时间分布的连接进行了讨论。
英文摘要：
We propose and investigate a procedure to measure, at least in principle, a positive quantum version of the local kinetic energy density. This procedure is based, under certain idealized limits, on the detection rate of photons emitted by moving atoms which are excited by a localized laser beam. The same type of experiment, but in different limits, can also provide other non positive-definite versions of the kinetic energy density. A connection with quantum arrival time distributions is discussed.
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