期刊
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
卷 49, 期 14, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-4075/49/14/142001
关键词
charge migration; attosecond pulses; biomolecules
资金
- European Research Council under the ERC grants [637756, 227355, 290853]
- LASERLAB-EUROPE (European Commissions Seventh Framework Programme) [284464]
- European COST Action [CM1204 XLIC]
- Ministerio de Ciencia e Innovacion project [FIS2013-42002-R]
- European grant MC-ITN CORINF
- European grant MC-RG ATTOTREND [268284]
- UKs Science and Technology Facilities Council Laser Loan Scheme
- Engineering and Physical Sciences Research Council [EP/J007048/1]
- Leverhulme Trust [RPG-2012-735]
- Northern Ireland Department of Employment and Learning
- Engineering and Physical Sciences Research Council [EP/J007048/1, EP/M001644/1] Funding Source: researchfish
- EPSRC [EP/M001644/1, EP/J007048/1] Funding Source: UKRI
- European Research Council (ERC) [290853, 227355, 637756] Funding Source: European Research Council (ERC)
After sudden ionization of a large molecule, the positive charge can migrate throughout the system on a sub-femtosecond time scale, purely guided by electronic coherences. The possibility to actively explore the role of the electron dynamics in the photo-chemistry of bio-relevant molecules is of fundamental interest for understanding, and perhaps ultimately controlling, the processes leading to damage, mutation and, more generally, to the alteration of the biological functions of the macromolecule. Attosecond laser sources can provide the extreme time resolution required to follow this ultrafast charge flow. In this review we will present recent advances in attosecond molecular science: after a brief description of the results obtained for small molecules, recent experimental and theoretical findings on charge migration in bio-relevant molecules will be discussed.
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