Imaging electron motion with attosecond time resolution
Imaging electron motion with attosecond time resolution
Imaging electron motion with attosecond time resolution
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Lessons<br />
•Exciton in LiF is Frenkel, despite the old controversy.<br />
•No contradiction between CT and Frenkel. Lattice geometry not a<br />
constraint.<br />
•Causality allows solution to “phase problem” for IXS ⇒ zeptoseconds!<br />
•Is there information in this which cannot be read off the raw spectra!<br />
1. Extrapolation 2. Causality<br />
• χ(x,t) useful for analyzing extended sources