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Femtosecond time-resolved photoemission of electron dynamics in surface Rydberg states
Journal of Vacuum Science & Technology. A. Vacuum, Surfaces, and Films
Femtosecond time-resolved photoelectron spectroscopy provides a unique tool to study the dynamics of optically excited electrons at surfaces directly in the time domain. We present a new model for two-photon photoelectron spectroscopy from surface and image potential ͑or Rydberg͒ states which is based on density matrix theory. The formalism accounts for the influence of both energy and phase relaxation on experimental spectra and thus permits the study of the nature of inelastic and elasticdoi:10.1116/1.580570 fatcat:toypd4l6jvbkhnzdtsg6zpdot4