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Model for the Attosecond Resonant Photoemission of Copper Dichloride: Evidence for High-Order Fano Resonances and a Time-Domain Core-Hole Clock

Title
Model for the Attosecond Resonant Photoemission of Copper Dichloride: Evidence for High-Order Fano Resonances and a Time-Domain Core-Hole Clock
Authors
Lee, JD[Lee, J. D.]
DGIST Authors
Lee, JD[Lee, J. D.]
Issue Date
2013-07-09
Citation
Physical Review Letters, 111(2)
Type
Article
Article Type
Article
Keywords
Asymmetry FactorAuger Electron EmissionsAuger Electron SpectroscopyClocksCopperCore-Hole RelaxationQuantum CorrelationsResonanceResonant DynamicsResonant PhotoemissionSideband ResonancesValence Electron
ISSN
0031-9007
Abstract
We present a model of the attosecond resonant dynamics of valence electron photoemission and MMM Auger electron emission in copper dichloride. At τhâ‰1/ωIR (where τh is the core-hole relaxation time and ωIR is the energy of the infrared probe field), high-order Fano sideband resonances on both sides of the original (zeroth-order) resonance are found in the energy domain on the time scale of τh. This is confirmed by a coherent π rotation of the relative phase between the photoelectron and Auger electron at each resonance, due to the subfemtosecond quantum correlation. We also find a core-hole clock, the asymmetry factor q of the first-order Fano sideband resonance, which can directly trace the core-hole relaxation in the time domain. © 2013 American Physical Society.
URI
http://hdl.handle.net/20.500.11750/3222
DOI
10.1103/PhysRevLett.111.027401
Publisher
American Physical Society
Files:
There are no files associated with this item.
Collection:
Emerging Materials ScienceETC1. Journal Articles


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