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Direct evidence of a continuous transition between waves and particles
arXiv - PHYS - Materials Science Pub Date : 2022-09-23 , DOI: arxiv-2209.11846 Christian Kisielowski, Petra Specht, Stig Helveg, Fu-Rong Chen, Bert Freitag, Joerg Jinschek, Dirk Van Dyck
arXiv - PHYS - Materials Science Pub Date : 2022-09-23 , DOI: arxiv-2209.11846 Christian Kisielowski, Petra Specht, Stig Helveg, Fu-Rong Chen, Bert Freitag, Joerg Jinschek, Dirk Van Dyck
The correlation between particle and wave descriptions of electron-matter
interactions is analyzed by measuring the delocalization of an evanescent field
using electron microscopy. Its spatial extension coincides with the
energy-dependent, self-coherence length of propagating wave packets that obey
the time-dependent Schr\"odinger equation and undergo a Goos-H\"anchen shift.
In the Heisenberg limit they are created by self-interferences during
coherent-inelastic Coulomb interactions with a decoherence phase {\Delta}{\phi}
= 0.5 rad and shrink to particle-like dimensions for energy losses of more than
1000 eV.
中文翻译:
波和粒子之间连续过渡的直接证据
通过使用电子显微镜测量渐逝场的离域来分析电子-物质相互作用的粒子和波描述之间的相关性。它的空间扩展与传播波包的能量相关、自相干长度相吻合,该波包遵循时间相关的薛定谔方程并经历古斯-H安陈位移。在海森堡极限中,它们是由相干非弹性库仑相互作用过程中的自干涉产生的,退相干相位 {\Delta}{\phi} = 0.5 rad,并收缩到类似粒子的尺寸,能量损失超过 1000 eV。
更新日期:2022-09-27
中文翻译:
波和粒子之间连续过渡的直接证据
通过使用电子显微镜测量渐逝场的离域来分析电子-物质相互作用的粒子和波描述之间的相关性。它的空间扩展与传播波包的能量相关、自相干长度相吻合,该波包遵循时间相关的薛定谔方程并经历古斯-H安陈位移。在海森堡极限中,它们是由相干非弹性库仑相互作用过程中的自干涉产生的,退相干相位 {\Delta}{\phi} = 0.5 rad,并收缩到类似粒子的尺寸,能量损失超过 1000 eV。