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View article: Attosecond delays in photoionization studied with coherent-controlled FEL
Attosecond delays in photoionization studied with coherent-controlled FEL Open
Synopsis When an electron is ejected from an atom after absorption of a photon, the photoelectron wave packet has an extremely short group delay between the photon absorption and the electron emission. This interval, called the Eisenbud-Wi…
View article: Complete Characterization of Phase and Amplitude of Bichromatic Extreme Ultraviolet Light
Complete Characterization of Phase and Amplitude of Bichromatic Extreme Ultraviolet Light Open
Intense, mutually coherent beams of multiharmonic extreme ultraviolet light can now be created using seeded free-electron lasers, and the phase difference between harmonics can be tuned with attosecond accuracy. However, the absolute value…
View article: A new quantum clock for measuring photoemission delay times
A new quantum clock for measuring photoemission delay times Open
The age of attosecond physics was ushered in by the invention of methods for probing phenomena on a time scale less than femtoseconds [F. Krausz, M. Ivanov, Rev. Mod. Phys. 81, 163 (2009)]. In photoemission, the Eisenbud-Wigner-Smith (EWS)…
View article: Time-Dependent Complete-Active-Space Self-Consistent-Field Method for Ultrafast Intense Laser Science
Time-Dependent Complete-Active-Space Self-Consistent-Field Method for Ultrafast Intense Laser Science Open
We present the time-dependent complete-active-space self-consistent-field (TD-CASSCF) method to simulate multielectron dynamics in ultrafast intense laser fields from the first principles. While based on multiconfiguration expansion, it di…