Ultrafast electron dynamics in phenylalanine initiated by attosecond pulses
Open accessAbstract
In the past decade, attosecond technology has opened up the investigation of ultrafast electronic processes in atoms, simple molecules, and solids. Here, we report the application of isolated attosecond pulses to prompt ionization of the amino acid phenylalanine and the subsequent detection of ultrafast dynamics on a sub–4.5-femtosecond temporal scale, which is shorter than the vibrational response of the molecule. The ability to initiate and observe such electronic dynamics in polyatomic molecules represents a crucial step forward in attosecond science, which is progressively moving toward the investigation of more and more complex systems.
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More recent experiments have addressed correlated two-electron dynamics, attosecond to few-femtosecond charge migration in molecules, and electric field-induced charge separation in solids.
“More recent experiments have addressed correlated two-electron dynamics [169], attosecond to few-femtosecond charge migration in molecules [170, 171] and electric field-induced charge separation in solids [172].”
From Roadmap of ultrafast x-ray atomic and molecular physics (2018) · cites this paper as [170]
This challenge has been addressed by extensive computational work but will impose a limit on complexity of samples that can be investigated in the future.
“This challenge has been addressed by extensive computational work in the past (see e.g.[170, 171]), but will clearly impose a limit on the complexity of the samples that can be investigated in the future.”
From Roadmap of ultrafast x-ray atomic and molecular physics (2018) · cites this paper as [170]
While tantalizing results are emerging, charge migration in molecules, materials, and across junctions represents a grand challenge of the attosecond field.
“While tantalizing results are emerging, charge migration [170] in molecules, materials, and across junctions represents a grand challenge of the attosecond field.”
From Roadmap of ultrafast x-ray atomic and molecular physics (2018) · cites this paper as [170]
The field already provides novel measurements of charge migration in molecules.
“charge migration in molecules [170]”
From Roadmap of ultrafast x-ray atomic and molecular physics (2018) · cites this paper as [170]
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- Authors
- Calegari, F., Ayuso, D., Trabattoni, A., Belshaw, L., De Camillis, S., Anumula, S., Frassetto, F., Poletto, L., Palacios, A., Decleva, P., Greenwood, J. B., Martín, F., & Nisoli, M.
- Affiliations
- Istituto di Fotonica e Nanotecnologie (IT)
- Universidad Autónoma de Madrid (ES)
- Politecnico di Milano (IT)
- Queen's University Belfast (GB)
- Centre for Plasma Physics, School of Maths and Physics, Queen’s University, Belfast BT7 1NN, UK.
- IFN-CNR, Via Trasea 7, 35131 Padova, Italy.
- University of Trieste (IT)
- Departamento de Química, Modulo 13, Universidad Autónoma de Madrid, Cantoblanco 28049 Madrid, Spain.
- Corresponding author
- Nisoli, M.
- ORCID
- Venue
- Science
- Published
- 2014-10-17
- Volume
- 346
- Issue
- 6207
- Pages
- 336-339
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2083892505
- Cited by
- 849
- References
- 53
- Citations by year
- 2026: 46 · 2025: 62 · 2024: 78 · 2023: 71 · 2022: 78 · 2021: 86 · 2020: 71 · 2019: 64 · 2018: 96 · 2017: 81 · 2016: 67 · 2015: 45 · 2014: 1
- FWCI
- 32.15
- Type
- journal article
- Language
- en
- Open access
- green
- pure.qub.ac.uk
- Licence
- other-oa
- Locations
- Science (publishedVersion)
- PubMed (publishedVersion)
- Hispana (publishedVersion)
- Research Portal (Queen's University Belfast) (publishedVersion, other-oa)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (acceptedVersion, other-oa)
- Tesis Doctorals en Xarxa (Consorci de Serveis Universitaris de Catalunya) (acceptedVersion)
- Biblos-e Archivo (Universidad Autónoma de Madrid) (submittedVersion, public-domain)
- ArTS Archivio della ricerca di Trieste (University of Trieste https://www.units.it/) (submittedVersion)
- DESY Publication Database (PUBDB) (Deutsches Elektronen-Synchrotron) (submittedVersion)
- Virtual Community of Pathological Anatomy (University of Castilla La Mancha) (submittedVersion)
- Funders
- Laserlab-Europe (284464, 284464, EC's Seventh Framework Programme)
- Leverhulme Trust (RPG-2012-735)
- European Commission (268284)
- Ministerio de Ciencia e Innovación (FIS2010-15127)
- Engineering and Physical Sciences Research Council (EP/J007048/1, EP/G03088X/1)
- Science and Technology Facilities Council (284464)
- FP7 Ideas: European Research Council (227355, 290853)
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Atomic and Molecular Physics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Spectroscopy and Quantum Chemical Studies
- Keywords
- phenylalanine, attosecond pulses, ultrafast electron dynamics, polyatomic molecules, isolated attosecond pulses, electronic dynamics, amino acids
- MeSH terms
- Electrons, Ions, Phenylalanine, Time Factors, Molecular Structure
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