Controlling nonsequential double ionization via two-color few-cycle pulses.
Using the classical three-dimensional ensembles, we have demonstrated the controlling of dynamics in nonsequential double ionization (NSDI) of helium by two-color few-cycle pulses. By changing the relative phase of the two pulses, recollisions leading to NSDI can be restricted in a time interval of several hundreds attosecond nearly before the field extremum and as a result, the correlated electron momentum distribution exhibits a so-far unobserved narrow arc-like structure. This structure reveals a novel energy correlation between the two electrons from NSDI by two-color few-cycle pulses.
Zhou
Yueming
Y
Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, P. R. China.
Liao
Qing
Q
Zhang
Qingbin
Q
Hong
Weiyi
W
Lu
Peixiang
P
D003116:Color; D003198:Computer Simulation; D007477:Ions; D008962:Models, Theoretical
D007477:Ions