Ultrafast Two-Electron Orbital Swap in Li Initiated by Attosecond Pulses

doi:10.34133/ultrafastscience.0028

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Ultrafast Two-Electron Orbital Swap in Li Initiated by Attosecond Pulses

Research Article | Updated：2024-10-22

- Ultrafast Two-Electron Orbital Swap in Li Initiated by Attosecond Pulses
- Ultrafast Science Vol. 3, Issue 4, (2023)
- Affiliations：
  
  a Key Laboratory for Laser Plasmas (Ministry of Education) and School of Physics and Astronomy,Collaborative Innovation Center for IFSA (CICIFSA), Shanghai Jiao Tong University, Shanghai 200240,China. b Instituto Universitario de Física Fundamental y Matemáticas, Universidad de Salamanca, Plaza de la Merced s/n, 37008 Salamanca, Spain. 3CAS Center for Excellence in Ultra-intense Laser Science,Shanghai,China,201800
- Author bio：
- Funds：
- DOI：10.34133/ultrafastscience.0028
  CLC：
- Published：2023，
- Accepted：
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Hui Jiang, Zhao-Han Zhang, Yang Li, Camilo Ruiz, and Feng He. 2023: Ultrafast Two-Electron Orbital Swap in Li Initiated by Attosecond Pulses. 超快科学, 3(4).

2023: Ultrafast Two-Electron Orbital Swap in Li Initiated by Attosecond Pulses. Ultrafast Science, 3(4).
Hui Jiang, Zhao-Han Zhang, Yang Li, Camilo Ruiz, and Feng He. 2023: Ultrafast Two-Electron Orbital Swap in Li Initiated by Attosecond Pulses. 超快科学, 3(4). DOI： 10.34133/ultrafastscience.0028

2023: Ultrafast Two-Electron Orbital Swap in Li Initiated by Attosecond Pulses. Ultrafast Science, 3(4). DOI： 10.34133/ultrafastscience.0028

摘要

A universal mechanism of ultrafast 2-electron orbital swap is discovered through 2-photon sequential double ionization of Li. After a 1s electron in Li is ionized by absorbing an extreme ultraviolet photon

the other 2 bound electrons located on 2 different shells have either parallel or antiparallel spin orientations.In the latter case

these 2 electrons are in the superposition of the singlet and triplet states with different energies

forming a quantum beat and giving rise to the 2-electron orbital swap with a period of several hundred attoseconds. The orbital swap mechanism can be used to manipulate the spin polarization of photoelectron pairs by conceiving the attosecond-pump attosecond-probe strategy and thus serves as a knob to control spin-resolved multielectron ultrafast dynamics.

Abstract

the other 2 bound electrons located on 2 different shells have either parallel or antiparallel spin orientations.In the latter case

these 2 electrons are in the superposition of the singlet and triplet states with different energies

关键词

orbital swapquantum beatspin polarization of photoelectron pairsspin-resolved

Keywords

orbital swapquantum beatspin polarization of photoelectron pairsspin-resolved

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