光电离和光解离中的包窄化和量子纠缠
Packet narrowing and quantum entanglement in photoionization and photodissociation
摘要：
研究了光电离过程中电子和离子波包的窄化，并充分考虑了电子-离子反冲效应。这种类型的包局域化与电子和离子的联合量子态中的纠缠以及Einstein-Podolsky-Rosen局域化直接相关。这种包变窄效应的实验观察建议通过重合登记的两个探测器，一个固定的位置和其他的位置变化。一个类似的效果，通常具有增强的纠缠度，示出发生在分子的光解离的情况下。
英文摘要：
The narrowing of electron and ion wave packets in the process of photoionization is investigated, with the electron-ion recoil fully taken into account. Packet localization of this type is directly related to entanglement in the joint quantum state of electron and ion, and to Einstein-Podolsky-Rosen localization. Experimental observation of such packet-narrowing effects is suggested via coincidence registration by two detectors, with a fixed position of one and varying position of the other. A similar effect, typically with an enhanced degree of entanglement, is shown to occur in the case of photodissociation of molecules.
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