Photoemission and photoionization time delays and rates

Photoemission and photoionization time delays and rates

Ionization and, in particular, ionization through the interaction with light play an important role in fundamental processes in physics, chemistry, and biology. In recent years, we have seen tremendous advances in our ability to measure the dynamics of photo-induced ionization in various systems in the gas, liquid, or solid phase. In this review, we will define the parameters used for quantifyi...

Photoionization time delays

The material presented in this chapter is based on important advances realized in “attophysics” which make feasible to follow the motion of electrons in atoms and molecules with attosecond-level time resolution. In this context, timedelays have been recently determined in the process of photoionization by extremeultra-violet (xuv) pulses and the question of the significance of these measured de...

Numerical Simulations of Attosecond Streaking Time Delays in Photoionization

We present results of numerical simulations and theoretical classical analysis of time delays with respect to the instant of ionization in a numerical streaking experiment. These results confirm our previous interpretation of the streaking time delay as a finite-range and fieldweighted time delay. We show that in the streaking experiments the time delay strongly depends on the parameters of the...

Theoretical Analysis and Numerical Simulation of Attosecond Time Delays in Photoionization

Eigenvalue Assignment Of Discrete-Time Linear Systems With State And Input Time-Delays

Time-delays are important components of many dynamical systems that describe coupling or interconnection between dynamics, propagation or transport phenomena, and heredity and competition in population dynamics. The stabilization with time delay in observation or control represents difficult mathematical challenges in the control of distributed parameter systems. It is well-known that the stabi...