Journal
SCIENCE
Volume 346, Issue 6207, Pages 336-339Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1254061
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Funding
- European Research Council under ERC [227355 ELYCHE, 290853 XCHEM]
- LASERLAB-EUROPE (European Commission) [284464]
- European COST Action [CM1204 XLIC]
- Ministerio de Ciencia e Innovacion [FIS2010-15127]
- ERA-Chemistry project [PIM2010EEC-00751]
- European grant MC-ITN CORINF [268284]
- European grant MC-RG ATTOTREND [268284]
- UK's Science and Technology Facilities Council
- Engineering and Physical Sciences Research Council [EP/J007048/1]
- Leverhulme Trust [RPG-2012-735]
- Northern Ireland Department of Employment and Learning
- EPSRC [EP/G03088X/1, EP/J007048/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/G03088X/1, EP/J007048/1] Funding Source: researchfish
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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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