Cover Image

Rebuilding the vibrational wavepacket in TRAS using attosecond X-ray pulses

Time-resolved X-ray photoelectron spectroscopy (TXPS) is a well-established technique to probe coherent nuclear wavepacket dynamics using both table-top and free-electron-based ultrafast X-ray lasers. Energy resolution, however, becomes compromised for a very short pulse duration in the sub-femtosec...

Full description

Saved in:
Bibliographic Details
Main Authors: Wang, Chao (Author) , Gong, Maomao (Author) , Zhao, Xi (Author) , Nan, Quan Wei (Author) , Yu, Xin Yue (Author) , Cheng, Yongjun (Author) , Kimberg, Victor (Author) , Liu, Xiao-Jing (Author) , Vendrell, Oriol (Author) , Ueda, Kiyoshi (Author) , Zhang, Song Bin (Author)
Format: Article (Journal)
Language:English
Published: 02 January 2024
In: Communications Physics
Year: 2024, Volume: 7, Issue: 1, Pages: 1-8
ISSN:2399-3650
DOI:10.1038/s42005-023-01507-3
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1038/s42005-023-01507-3
Verlag, kostenfrei, Volltext: https://www.nature.com/articles/s42005-023-01507-3
Get full text
Author Notes:Chao Wang, Maomao Gong, Xi Zhao, Quan Wei Nan, Xin Yue Yu, Yongjun Cheng, Victor Kimberg, Xiao-Jing Liu, Oriol Vendrell, Kiyoshi Ueda and Song Bin Zhang
Description
Summary:Time-resolved X-ray photoelectron spectroscopy (TXPS) is a well-established technique to probe coherent nuclear wavepacket dynamics using both table-top and free-electron-based ultrafast X-ray lasers. Energy resolution, however, becomes compromised for a very short pulse duration in the sub-femtosecond range. By resonantly tuning the X-ray pulse to core-excited states undergoing Auger decay, this drawback of TXPS can be mitigated. While resonant Auger-electron spectroscopy (RAS) can recover the vibrational structures not hidden by broadband excitation, the full reconstruction of the wavepacket is a standing challenge. Here, we theoretically demonstrate how the complete information of a nuclear wavepacket, i.e., the populations and relative phases of the vibrational states constituting the wavepacket, can be retrieved from time-resolved RAS (TRAS) measurements. Thus, TRAS offers key insights into coupled nuclear and electronic dynamics in complex systems on ultrashort timescales, providing an alternative to leverage femtosecond and attosecond X-ray probe pulses.
Item Description:Published: 02 January 2024
Gesehen am 15.08.2024
Physical Description:Online Resource
ISSN:2399-3650
DOI:10.1038/s42005-023-01507-3

Similar Items