Bulletin of the American Physical Society
54th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 68, Number 7
Monday–Friday, June 5–9, 2023; Spokane, Washington
Session N01: Poster Session II (4:00pm-6:00pm, PT)
4:00 PM,
Wednesday, June 7, 2023
Room: Exhibit Hall C
Abstract: N01.00032 : Joint probability analysis of the dynamics of strong field ionization of atoms*
Presenter:
Igor Ivanov
(Institute for Basic Science)
Authors:
Igor Ivanov
(Institute for Basic Science)
Kyung Taec Kim
(Department of Physics and Photon Science, Gwangju Institute of Science and Technology)
Anatoli S Kheifets
(Australian Natl Univ)
atoms in electromagnetic fields based on the notion of joint probability of occurrence of two events,
event B being finding atom in a given state after the end of the laser pulse,
event A being finding a particular value of a given physical observable at a moment of time inside the laser
pulse duration. This approach allows to tackle the questions which are somewhat difficult to
address, in particular, to study the characteristics of the ionized electron for times
inside the interval of the laser pulse duration. For the moments of time inside the interval of the laser pulse duration, when
the wave-packet describing ionized electron is not fully formed and is still partly inside
the atom, it is not easy to unambiguously single out the part of the wave-function describing ionized
electron from the total wave-function of the system. By choosing the event B appropriately we may circumvent
this difficulty. We may require, for instance, that B is detection of atom in an ionized state and study development of the
ionization process, or we may choose B to be detection of atom in a Rydberg state and study development of the
frustrated tunneling ionization (FTI) process. We apply this technique to study time-development of lateral velocity distribution
of ionized electrons and time-development of the FTI.
*The work was supported by the Institute for Basic Scienceunder the grant number IBS-R012-D1. Computational works for this research were performed on the IBS Supercomputer Aleph in the IBS Research Solution Center.
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