光束违反 Newton 第s三定律,在量子流体中“逆流而上”
正如落叶随溪流漂浮,其他运动流体中的物体通常也会随波逐流。除非它们消耗能量来对抗水流。尽管这可能不太直观,但光波或光子也有类似的运作方式。要逆着光流移动,像光子这样的物体或粒子必须要么受到外力作用,要么主动消耗能量来逆流而上。
Phys.org Quantum Physics
Publisher
Sep 22, 2026 at 8:10 PM UTC · 1 分钟阅读

正如落叶随溪流漂浮,其他运动流体中的物体通常也会随波逐流。除非它们消耗能量来对抗水流。尽管这可能不太直观,但光波或光子也有类似的运作方式。要逆着光流移动,像光子这样的物体或粒子必须要么受到外力作用,要么主动消耗能量来逆流而上。
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Originally reported by Phys.org Quantum Physics
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