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Time-Resolved Reson...
Time-Resolved Resonant Auger Scattering Clocks Distortion of a Molecule
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- Wang, Chao (författare)
- School of Physics and Information Technology, Shaanxi Normal University, Xi’an, Shaanxi 710119, People’s Republic of China, Shaanxi
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- Gong, Maomao (författare)
- School of Physics and Information Technology, Shaanxi Normal University, Xi’an, Shaanxi 710119, People’s Republic of China, Shaanxi
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- Cheng, Yongjun (författare)
- School of Physics and Information Technology, Shaanxi Normal University, Xi’an, Shaanxi 710119, People’s Republic of China, Shaanxi
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- Kimberg, Victor, 1973- (författare)
- KTH,Teoretisk kemi och biologi
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- Liu, Xiao Jing (författare)
- School Physical Science and Technology, ShanghaiTech University, Shanghai 201210, People’s Republic of China
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- Vendrell, Oriol (författare)
- Theoretical Chemistry, Institute of Physical Chemistry, Heidelberg University, 69120 Heidelberg, Germany
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- Ueda, Kiyoshi (författare)
- School Physical Science and Technology, ShanghaiTech University, Shanghai 201210, People’s Republic of China; Department of Chemistry, Tohoku University, Sendai 980-8578, Japan
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- Zhang, Song Bin (författare)
- School of Physics and Information Technology, Shaanxi Normal University, Xi’an, Shaanxi 710119, People’s Republic of China, Shaanxi
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(creator_code:org_t)
- American Chemical Society (ACS), 2023
- 2023
- Engelska.
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Ingår i: The Journal of Physical Chemistry Letters. - : American Chemical Society (ACS). - 1948-7185. ; 14:24, s. 5475-5480
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Resonant Auger scattering (RAS) provides information on the core-valence electronic transition and impresses a rich fingerprint of the electronic structure and nuclear configuration at the time-initiating RAS process. Here, we suggest using a femtosecond X-ray pulse to trigger RAS in a distorted molecule, which is generated from the nuclear evolution on a valence excited state pumped by a femtosecond ultraviolet pulse. With the time delay varied, the amount of molecular distortion can be controlled and the RAS measurements imprint both their electronic structures and changing geometries. This strategy is showcased in H2O prepared in an O-H dissociative valence state, where molecular and fragment lines appear in RAS spectra as signatures of ultrafast dissociation. Given the generality of this approach for a broad class of molecules, this work opens a new alternative pump-probe technique for mapping the core and valence dynamics with ultrashort X-ray probe pulses.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
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