Attosecond ionization time delays in strong-field physics

Y Ma, H Ni, J Wu - Chinese Physics B, 2024 - iopscience.iop.org
Electronic processes within atoms and molecules reside on the timescale of attoseconds.
Recent advances in the laser-based pump-probe interrogation techniques have made …

Manipulating Parallel and Perpendicular Multiphoton Transitions in Molecules

S Pan, Z Zhang, L Xu, W Zhang, P Lu, Q Ji, K Lin… - Physical Review Letters, 2023 - APS
We demonstrate that dissociative ionization of H 2 can be fully manipulated in an angle-time-
resolved fashion, employing a polarization-skewed (PS) laser pulse in which the …

Probing Double Ionization with Bicircular Laser Fields

Z Guo, Z Zhang, Y Deng, J Wang, D Ye, J Liu, Y Liu - Physical Review Letters, 2024 - APS
We present a kinematically complete study on strong-field double ionization of H 2
molecules in two-color bicircular laser fields. The releasing times of electrons and protons …

[HTML][HTML] Probing molecular frame Wigner time delay and electron wavepacket phase structure of CO molecule

Z Guo, P Ge, Y Fang, Y Dou, X Yu, J Wang… - Ultrafast …, 2022 - spj.science.org
The time delay of photoelectron emission serves as a fundamental building block to
understand the ultrafast electron emission dynamics in strong-field physics. Here, we study …

Relativistic quantum field theory approach to electron wave-packet tunneling: A fully causal process

M Alkhateeb, X Gutierrez de la Cal, M Pons… - Physical Review A, 2025 - APS
Recent results on electron tunneling across a potential barrier, inferred from observations or
obtained from theoretical models, have suggested superluminal or instantaneous barrier …

Relativistic quantum field theory approach to wavepacket tunneling: lack of superluminal transmission

M Alkhateeb, XG de la Cal, M Pons… - arxiv preprint arxiv …, 2024 - arxiv.org
We investigate relativistic wavepacket dynamics for an electron tunneling through a potential
barrier employing space-time resolved solutions to relativistic quantum field theory (QFT) …

Controlling Magnetic and Electric Nondipole Effects with Synthesized Two Perpendicularly Propagating Laser Fields

Y Dou, Y Fang, P Ge, Y Liu - Chinese Physics Letters, 2023 - iopscience.iop.org
Nondipole effects are ubiquitous and crucial in light-matter interaction. However, they are
too weak to be directly observed. In strong-field physics, motion of electrons is mainly …

Clocking the intrinsic time of multiphoton ionization in linearly polarized fields

P Ge, Y Dou, M Han, Y Fang, Z Guo, C Wu, Q Gong… - Physical Review A, 2022 - APS
We investigate the subcycle temporal property of multiphoton ionization of Ar atoms in a
linearly polarized laser pulse at 400 nm by employing the two-color phase-of-the-phase …

Signatures of the phase structure in multiphoton ionization of aligned molecules

Z Guo, P Ge, Y Dou, M Liu, X Long, J Wang, Q Gong… - Physical Review A, 2023 - APS
We experimentally measure the photoelectron momentum distributions of multiphoton
ionization of aligned N 2 molecules at 400 nm. The phase structure of the ionized electron …

[PDF][PDF] 双波长圆偏振光场中分子电离动力学的研究新进展

郭振宁, 刘运全 - Acta Optica Sinica, 2024 - researching.cn
摘要超短激光脉冲的出现为人们研究原子分子内电子的超快动力学过程提供了重要的技术手段.
**激光诱导原子分子的光电离过程是光诱导物理过程的基石, 也是目前**场物理领域的前沿热点 …