即使在有着自己特殊规则的最小粒子的世界里，事情也不能无限快地进行。物理学家们现在已经证明了复杂量子操作的速度极限。这些结果对于实现量子计算机等具有重要意义

A speed limit also applies in the quantum world

Study by the University of Bonn determines minimum time for complex quantum operations

https://www.sciencedaily.com/releases/2021/02/210219155909.htm

1. Manolo R. Lam, Natalie Peter, Thorsten Groh, Wolfgang Alt, Carsten Robens, Dieter Meschede, Antonio Negretti, Simone Montangero, Tommaso Calarco, Andrea Alberti. Demonstration of Quantum Brachistochrones between Distant States of an Atom. Physical Review X, 2021; 11 (1) DOI: 10.1103/PhysRevX.11.011035