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  Attosecond photoionization dynamics with stimulated core-valence transitions

You, J.-A., Rohringer, N., & Dahlström, J. M. (2016). Attosecond photoionization dynamics with stimulated core-valence transitions. Physical Review A, 93(3): 033413. doi:10.1103/PhysRevA.93.033413.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-3B01-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-90C9-6
Genre: Journal Article

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PhysRevA.93.033413.pdf (Publisher version), 687KB
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2016
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© American Physical Society

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http://dx.doi.org/10.1103/PhysRevA.93.033413 (Publisher version)
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http://arxiv.org/abs/1508.00760 (Preprint)
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 Creators:
You, Jhih-An1, 2, 3, Author              
Rohringer, Nina1, 2, 3, Author              
Dahlström, Jan Marcus2, 3, 4, Author              
Affiliations:
1Quantum Optics with X-Rays, Independent Research Groups, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938291              
2Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288              
3Center for Free-Electron Laser Science, Luruper Chaussee 149, 22761 Hamburg, Germany, ou_persistent22              
4Department of Physics, Stockholm University, AlbaNova University Center, SE-106 91 Stockholm, Sweden, ou_persistent22              

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Free keywords: Atomic Physics
 Abstract: We investigate ionization of neon atoms by an isolated attosecond pump pulse in the presence of two coherent extreme ultraviolet or x-ray probe fields. The probe fields are tuned to a core-valence transition in the residual ion and induce spectral shearing of the photoelectron distributions. We show that the photoelectron-ion coincidence signal contains an interference pattern that depends on the temporal structure of the attosecond pump pulse and the stimulated core-valence transition. Many-body perturbation theory is used to compute “atomic response times” for the processes and we find strikingly different behavior for stimulation to the outer-core hole (2p ↔ 2s) and stimulation to the inner-core hole (2p ↔ 1s). The response time of the inner-core transition is found to be comparable to that of state-of-the-art laser-based characterization techniques for attosecond pulses.

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Language(s): eng - English
 Dates: 2015-08-042015-08-042016-03-212016-03
 Publication Status: Published in print
 Pages: 10
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevA.93.033413
arXiv: 1508.00760
 Degree: -

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Title: Physical Review A
  Other : Phys. Rev. A
  Other : Physical Review A: Atomic, Molecular, and Optical Physics
Source Genre: Journal
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Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 93 (3) Sequence Number: 033413 Start / End Page: - Identifier: ISSN: 1050-2947
CoNE: /journals/resource/954925225012_2