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PreprintarXiv licencearXiv

Visualizing Three-Dimensional Quantum Fluctuations of Ground-State C3H4 via Deep Sub-Angstrom Coulomb Explosion Imaging

  • Mei Wang
  • Yue Gao
  • Hang Yuan
  • Yang Wang
  • Bo Yang
  • Shaofei Gu
  • Shaofeng Zhang
  • Xinwen Ma
  • Shenyue Xu
Open at sourcePDFDOICite

Abstract

Coulomb explosion imaging (CEI) is a powerful tool for determining static geometries of isolated gas-phase molecules. In this work, taking allene and propyne as prototype, we demonstrate sub-angstrom resolution achieved with highly charged ion-induced CEI. Using 41.9 keV/u Xe20+ beam, minute variations of CC single, double and triple bond lengths are clearly visualized, indicating that an ultrahigh resolution of 0.1 mathringA is achieved. This unprecedented resolution not only makes it possible to distinguish CC bonds with different bond orders, but also lays a solid foundation for direct observation of quantum fluctuations inherent to 3D structure of a ground-state molecule. Notably, the coupled collective motion of the two CH2 moieties spaced by a central carbon within allene is unambiguously visualized in our measurements.

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Cite

BibTeXRIS
BibTeX
@misc{wang2026visualizing,
  title = {{Visualizing Three-Dimensional Quantum Fluctuations of Ground-State C$_3$H$_4$ via Deep Sub-Angstrom Coulomb Explosion Imaging}},
  author = {Mei Wang and Yue Gao and Hang Yuan and Yang Wang and Bo Yang and Shaofei Gu and Shaofeng Zhang and Xinwen Ma and Shenyue Xu},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.10981},
  eprint = {2610.10981},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.10981},
}
RIS
TY  - UNPB
TI  - Visualizing Three-Dimensional Quantum Fluctuations of Ground-State C_3H_4 via Deep Sub-Angstrom Coulomb Explosion Imaging
AU  - Mei Wang
AU  - Yue Gao
AU  - Hang Yuan
AU  - Yang Wang
AU  - Bo Yang
AU  - Shaofei Gu
AU  - Shaofeng Zhang
AU  - Xinwen Ma
AU  - Shenyue Xu
PY  - 2026
DA  - 2026/10/07
PB  - arXiv
DO  - 10.48550/arxiv.2610.10981
UR  - https://arxiv.org/abs/2610.10981
AB  - Coulomb explosion imaging (CEI) is a powerful tool for determining static geometries of isolated gas-phase molecules. In this work, taking allene and propyne as prototype, we demonstrate sub-angstrom resolution achieved with highly charged ion-induced CEI. Using 41.9 keV/u Xe^20+ beam, minute variations of CC single, double and triple bond lengths are clearly visualized, indicating that an ultrahigh resolution of 0.1 mathringA is achieved. This unprecedented resolution not only makes it possible to distinguish CC bonds with different bond orders, but also lays a solid foundation for direct observation of quantum fluctuations inherent to 3D structure of a ground-state molecule. Notably, the coupled collective motion of the two CH_2 moieties spaced by a central carbon within allene is unambiguously visualized in our measurements.
ER  -