Attosecond photoionization dynamics with stimulated core-valence transitions
We investigate ionization of neon atoms by an isolated attosecond pump pulse in the presence of two coherentextreme ultraviolet or x-ray probe fields. The probe fields are tuned to a core-valence transition in the residual ionand induce spectral shearing of the photoelectron distributions. We show that the photoelectron-ion coincidencesignal contains an interference pattern that depends on the tem
