ArticleScience advances2022
Electronic quantum coherence in glycine molecules probed with ultrashort x-ray pulses in real time.
Article in Science advances, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 36 citations in OpenAlex.
- Time-resolved core-level photoelectron spectroscopy of glycine fragmentation: a case study on the capabilities and limitations of site-selective probes at XFELs.Faraday discussions · 2026Article
- Advances in the projected forces and momenta decoherence method for attosecond nonadiabatic molecular dynamics.Faraday discussions · 2026Article
- Optimisation of measurement and data analysis of time-resolved X-ray absorption spectroscopy of thin film organic semiconductors.Faraday discussions · 2026Article
- Localized intrinsic bond orbitals decode correlated charge migration dynamics.Chemical science · 2026Article
- Accounting for Electronic Coherences Induced by Broadband Pulses by Using Pulse-Independent Trajectories.Journal of chemical theory and computation · 2026Article
- Article
- Correlation-driven charge migration triggered by infrared multi-photon ionization.Chemical science · 2025Article
- Attosecond impulsive stimulated X-ray Raman scattering in liquid water.Science advances · 2024Article
- XFEL Beamline Optical Instrumentation for Ultrafast Science.The journal of physical chemistry. B · 2024Review
- Coupled Electron-Nuclear Dynamics Induced and Monitored with Femtosecond Soft X-ray Pulses in the Amino Acid Glycine.The journal of physical chemistry. A · 2024Article
- Toward ultrafast soft x-ray spectroscopy of organic photovoltaic devices.Structural dynamics (Melville, N.Y.) · 2024Article
- Charge-induced chemical dynamics in glycine probed with time-resolved Auger electron spectroscopy.Structural dynamics (Melville, N.Y.) · 2022Article
- Dialogue on analytical and ab initio methods in attoscience.The European physical journal. D, Atomic, molecular, and optical physics · 2021Article
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Authors and funding
28 authors at 8 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Here, we use x-rays to create and probe quantum coherence in the photoionized amino acid glycine. The outgoing photoelectron leaves behind the cation in a coherent superposition of quantum mechanical eigenstates. Delayed x-ray pulses track the induced coherence through resonant x-ray absorption that induces Auger decay and by photoelectron emission from sequential double photoionization. Sinusoidal temporal modulation of the detected signal at early times (0 to 25 fs) is observed in both measurements. Advanced ab initio many-electron simulations allow us to explain the first 25 fs of the detected coherent quantum evolution in terms of the electronic coherence. In the kinematically complete x-ray absorption measurement, we monitor its dynamics for a period of 175 fs and observe an evolving modulation that may implicate the coupling of electronic to vibronic coherence at longer time scales. Our experiment provides a direct support for the existence of long-lived electronic coherence in photoionized biomolecules.
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