保罗谢弗研究所的国际研究团队首次在实验中证实了光学Magnus效应1。研究人员发现，紧聚焦的激光与离子的最强相互作用位置出现微小的侧向偏移1，这种现象类似于旋转乒乓球在空中弯曲的物理原理1。研究使用单个钙离子作为微观探针进行实验1，测得的侧向偏移量约为几百纳米1。
偏移大小仅取决于光的波长，与激光束聚焦程度无关1。这一发现对量子计算中的量子比特激光控制既可能产生误差，也可能提供耦合量子比特的新方法1。该研究成果已发表在《物理评论快报》期刊2026年第137卷第6期1。
An international research team at the Paul Scherrer Institute has experimentally verified the optical Magnus effect for the first time, revealing a subtle sideways displacement in the strongest interaction point between tightly focused laser beams and ions 1. The phenomenon mirrors the physics of a spinning ping-pong ball curving through the air.
The study, published in Physical Review Letters Volume 137, Issue 6 (DOI: 10.1103/kj5p-qqs5) 1, employed a single calcium ion as a microscopic probe to measure the lateral shift, which was found to be approximately several hundred nanometers 1. The magnitude of this displacement depends solely on the wavelength of light and remains independent of how tightly the laser beam is focused 1.
The discovery has dual implications for quantum computing: the optical Magnus effect could introduce errors in laser-based control of quantum bits, yet simultaneously may enable new methods for coupling quantum bits together 1. Researchers at the University of Amsterdam had previously predicted the optical Magnus effect in theory years before this experimental confirmation 1.
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