Physics

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

C. Wang, M. Gong, et al.

Explore the forefront of nuclear wavepacket dynamics! This study unveils how time-resolved resonant Auger-electron spectroscopy (TRAS) can capture the complete information of nuclear wavepackets using attosecond X-ray pulses. Conducted by a team of experts including Chao Wang and Victor Kimberg, this research opens exciting new avenues for understanding ultrafast phenomena.

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Playback language: English

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Abstract

Time-resolved X-ray photoelectron spectroscopy (TXPS) is a powerful technique for probing coherent nuclear wavepacket dynamics. However, energy resolution is compromised for very short pulse durations. This study theoretically demonstrates how the complete information of a nuclear wavepacket (populations and relative phases of vibrational states) can be retrieved from time-resolved resonant Auger-electron spectroscopy (TRAS) measurements using resonantly tuned attosecond X-ray pulses. TRAS offers key insights into coupled nuclear and electronic dynamics on ultrashort timescales, providing an alternative to leverage femtosecond and attosecond X-ray probe pulses.

Publisher

Communications Physics

Published On

Jan 02, 2024

Authors

Chao Wang, Maomao Gong, Xi Zhao, Quan Wei Nan, Xin Yue Yu, Yongjun Cheng, Victor Kimberg, Xiao-Jing Liu, Oriol Vendrell, Kiyoshi Ueda, Song Bin Zhang

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