In a study on high-harmonic generation from a dense atomic xenon gas, the strong-field light–matter interaction is shown to leave a quantum mechanical imprint on the incident light that escapes the semiclassical picture of strong-field physics.

中文翻译：

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淡淡的印记

在一项关于从致密原子氙气中产生高次谐波的研究中，强场光与物质的相互作用被证明会在入射光上留下量子力学印记，这脱离了强场物理学的半经典图景。