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: S02.00010 : Time-dependent fragment emission asymmetry in RABBITT experiments with H2
12:18 PM–12:30 PM
Live
Presenter:
Farshad Shobeiry
(MPI-K Heidelberg)
Authors:
Farshad Shobeiry
(MPI-K Heidelberg)
Patrick Fross
(MPI-K Heidelberg)
Hemkumar Srinivas
(MPI-K Heidelberg)
Divya Bharti
(MPI-K Heidelberg)
Thomas Pfeifer
(MPI-K Heidelberg)
Anne Harth
(MPI-K Heidelberg)
Robert Moshammer
(MPI-K Heidelberg)
This process can be understood as a two-electron quantum interferometer with two different dissociation pathways: ground state dissociation (GSD) and bond-softening dissociation (BSD) correlated with gerade and ungerade photoelectron wavefunctions. The acquired phase difference between these two paths determines the emission direction of the electron compared to the proton [2].
In our experiment, the process is driven by an attosecond pulse train (APT) and a phase-locked infrared (IR) field. Here we present an angular resolved coincidence measurement of the photo-electron and the H+ and report about electron localization asymmetry that can even be controlled by varying the attosecond time delay between the APT and the IR field.
[1] Martin et al. Science 315 629 (2007)
[2] Fischer et al. PRL 110, 213002 (2013)
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