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Core-excited states...
Core-excited states of Formula Presented probed with soft-x-ray femtosecond transient absorption of vibrational wave packets
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- Barreau, Lou (författare)
- Department of Chemistry, University of California, Berkeley, California 94720, USA; Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
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- Ross, Andrew D. (författare)
- Department of Chemistry, University of California, Berkeley, California 94720, USA; Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
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- Kimberg, Victor, 1973- (författare)
- KTH,Teoretisk kemi och biologi
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- Krasnov, Pavel (författare)
- International Research Center of Spectroscopy and Quantum Chemistry-IRC SQC, Siberian Federal University, Krasnoyarsk 660041, Russia
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- Blinov, Svyatoslav (författare)
- International Research Center of Spectroscopy and Quantum Chemistry-IRC SQC, Siberian Federal University, Krasnoyarsk 660041, Russia
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- Neumark, Daniel M. (författare)
- Department of Chemistry, University of California, Berkeley, California 94720, USA; Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
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- Leone, Stephen R. (författare)
- Department of Chemistry, University of California, Berkeley, California 94720, USA; Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA; Department of Physics, University of California, Berkeley, California 94720, USA
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(creator_code:org_t)
- American Physical Society (APS), 2023
- 2023
- Engelska.
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Ingår i: Physical Review A: covering atomic, molecular, and optical physics and quantum information. - : American Physical Society (APS). - 2469-9926 .- 2469-9934. ; 108:1
- 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
- A vibrational wavepacket in Formula Presented is created by impulsive stimulated Raman scattering with a few-cycle infrared pulse and mapped simultaneously onto five sulfur core-excited states using table-top soft x-ray transient absorption spectroscopy between 170 to 200 eV. The femtosecond vibrations induce real-time energy shifts of the x-ray absorption, whose amplitude depend strongly on the nature of the core-excited state. The pump laser intensity is used to control the number of vibrational states in the superposition, thereby accessing core-excited levels for various extensions of the S-F stretching motion. This enables the determination of the relative core-level potential energy gradients for the symmetric stretching mode, in good agreement with TDDFT calculations. This experiment demonstrates a new means of characterizing core-excited potential energy curves.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
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