Experimental evidence of above-threshold photoemission in solids

Francesco Banfi, Claudio Giannetti, Gabriele Ferrini, Gianluca Galimberti, Stefania Pagliara, Daniele Fausti, Fulvio Parmigiani

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

39 Citazioni (Scopus)


Nonlinear photoemission from a silver single crystal is investigated by femtosecond laser pulses in a perturbative regime. A clear observation of above-threshold photoemission in solids is reported for the first time. The ratio between the three-photon above-threshold and the two-photon Fermi edges is found to be 10(-4). This value constitutes the only available benchmark for theories aimed at understanding the mechanism responsible for above-threshold photoemission in solids.
Lingua originaleEnglish
pagine (da-a)N/A-N/A
Numero di pagine37601
RivistaPhysical Review Letters
Stato di pubblicazionePubblicato - 2005


  • above-threshold ionization
  • non-linear electron dynamics
  • non-linear photoemission
  • ultra-fast electron dynamics
  • ultra-fast photoemission


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