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Time-resolved X-ray...
Time-resolved X-ray and XUV based spectroscopic methods for nonadiabatic processes in photochemistry
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- Schnappinger, Thomas (författare)
- Stockholms universitet,Fysikum
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- Jadoun, Deependra, 1998- (författare)
- Stockholms universitet,Fysikum
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- Gudem, Mahesh (författare)
- Stockholms universitet,Fysikum
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- Kowalewski, Markus, 1980- (författare)
- Stockholms universitet,Fysikum
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(creator_code:org_t)
- 2022
- 2022
- Engelska.
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Ingår i: Chemical Communications. - : Royal Society of Chemistry (RSC). - 1359-7345 .- 1364-548X. ; 58:92, s. 12763-12781
- Relaterad länk:
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https://doi.org/10.1...
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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
- The photochemistry of numerous molecular systems is influenced by conical intersections (CIs). These omnipresent nonadiabatic phenomena provide ultra-fast radiationless relaxation channels by creating degeneracies between electronic states and decide over the final photoproducts. In their presence, the Born-Oppenheimer approximation breaks down, and the timescales of the electron and nuclear dynamics become comparable. Due to the ultra-fast dynamics and the complex interplay between nuclear and electronic degrees of freedom, the direct experimental observation of nonadiabatic processes close to CIs remains challenging. In this article, we give a theoretical perspective on novel spectroscopic techniques capable of observing clear signatures of CIs. We discuss methods that are based on ultra-short laser pulses in the extreme ultraviolet and X-ray regime, as their spectral and temporal resolution allow for resolving the ultra-fast dynamics near CIs.
Ämnesord
- NATURVETENSKAP -- Kemi -- Teoretisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Theoretical Chemistry (hsv//eng)
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- art (ämneskategori)
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