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Author

F. Parmigiani

2 papers indexed here

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Open access Sep 2026

Ultrafast RIXS of orbital-resolved valence-band reshaping in photoexcited graphite

Ultrafast photoexcitation can drive solids far from equilibrium by dynamically renormalizing their electronic structure, yet direct time-domain access to bulk band-structure reshaping with orbital and momentum selectivity has remained limited. Here, we show in photoexcited graphite that femtosecond carbon K-edge resona...

M. Malvestuto, A. Caretta, S. Laterza et al. · 0 citations
Preprint Sep 2026

From the Light Quantum to the Photon: The Evolution of a Physical Concept

This work examines the physical and conceptual evolution of the light quantum from Planck's blackbody theory to the theoretical and experimental developments that led to the quantization of the electromagnetic field. The present study shows that the decisive transition occurred in Einstein's quantum theory of radiation...

Aaron Collavini, V. Bologna, Francesco Longo et al. · 0 citations

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