Bulletin of the American Physical Society
52nd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 66, Number 6
Monday–Friday, May 31–June 4 2021; Virtual; Time Zone: Central Daylight Time, USA
Session S02: Strong-field and attosecond electron dynamics
10:30 AM–12:42 PM,
Thursday, June 3, 2021
Chair: Alexandra Landsman, Ohio State University
Abstract: S02.00011 : Multi-Sideband RABBITT in Ar: Experiment and Theory*
12:30 PM–12:42 PM
Live
Presenter:
Divya Bharti
(MPI-K Heidelberg)
Authors:
Divya Bharti
(MPI-K Heidelberg)
Kathryn Hamilton
(Drake University)
Hemkumar Srinivas
(MPI-K Heidelberg)
Farshad Shobeiry
(MPI-K Heidelberg)
Thomas Pfeifer
(MPI-K Heidelberg)
Robert Moshammer
(MPI-K Heidelberg)
Klaus R Bartschat
(Drake University)
Anne Harth
(MPI-K Heidelberg)
The reconstruction of attosecond beating by interference of two-photon transitions (RABBITT) method is a widely employed technique to measure attosecond time delays in photo-ionization processes [1]. Recently, a three-sideband scheme was suggested [2] and analyzed in detail for atomic hydrogen [3].
Here we present our first experimental data using an Ar target, which is easier to handle experimentally but more challenging for theory, due to the multi-electron nature and the active 3p electron having a non-vanishing orbital angular momentum. Consequently, we used the multi-electron R-matrix with time dependence method (RMT) [4] to generate theoretical predictions that will be compared with experimental data.
[1] J. Dahlström et al., Chem. Phys. 414 (2013) 53.
[2] A. Harth et al., PRA 99 (2019) 023410.
[3] D. Bharti et al., PRA 103 (2021) 022834.
[4] A. C. Brown et al., Comput. Phys. Comm. (2019) 107062.
*Work supported by the NSF under PHY-1803844, OAC-1834740, PHY-2012078, XSEDE-090031, the DFG under SPP-1840: 411044455, and by the IMPRS-QD Heidelberg.
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