Journal ArticleDOI
Model calculation on the pump-probe measurement of ultrafast electronic population decay in polyatomic molecules
Wolfgang Domcke,Horst Köppel +1 more
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In this paper, the authors considered the common situation of strong vibronic coupling of an optically bright (in absorption from the ground state) excited electronic state to a lower-lying dark electronic state in a polyatomic molecule and showed that for sufficiently short pump and probe laser pulses a time-resolved experiment measures the total time-dependent population probability P ( t ) of the bright state.About:
This article is published in Chemical Physics Letters.The article was published on 1987-09-25. It has received 44 citations till now. The article focuses on the topics: Dark state & Ground state.read more
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Journal ArticleDOI
Wave packet theory of dynamic absorption spectra in femtosecond pump–probe experiments
TL;DR: In this article, a perturbative density matrix theory for the third-order susceptibility of a multilevel system is formulated in terms of four-time correlation functions which are interpreted as the timedependent overlap of bra and ket vibrational wave packets propagating independently on the ground and excited electronic state potential surfaces.
Book ChapterDOI
Theory of Ultrafast Nonadiabatic Excited‐State Processes and their Spectroscopic Detection in Real Time
Wolfgang Domcke,Gerhard Stock +1 more
Journal ArticleDOI
Highly Efficient Charge Transfer in Peptide Cations in the Gas Phase: Threshold Effects and Mechanism
TL;DR: In this paper, photoactivated positive charge migration in isolated peptide radical cations was shown to exhibit a threshold behavior, which can directly be used to detect positive charge migrations.
Journal ArticleDOI
Interplay of Jahn–Teller and pseudo‐Jahn–Teller vibronic dynamics in the benzene cation
TL;DR: In this article, the static and dynamic aspects of the vibronic interaction of the B 2E2g and C 2A2u electronic states of C 6H+6 were analyzed.
Journal ArticleDOI
Dynamics on potential energy surfaces with a conical intersection: Adiabatic, intermediate, and diabatic behavior
Uwe Manthe,Horst Köppel +1 more
TL;DR: In this article, the nuclear dynamics on potential energy surfaces which are strongly vibronically coupled through a conical intersection are investigated by exact integration of the time-dependent Schrodinger equation.
References
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Journal Article
Multimode molecular dynamics beyond the Born-Oppenheimer approximation
TL;DR: Theorie des effets de couplage vibronique multimodes is described in this paper, where couplages mettant en jeu des modes and des etats degeneres.
Journal ArticleDOI
Magnetic Resonance for Nonrotating Fields
Felix Bloch,A. J. F. Siegert +1 more
TL;DR: In this paper, a treatment of the magnetic resonance is given for a particle with spin \textonehalf{} in a constant field and under the action of an arbitrary alternating field with circular frequency perpendicular to the magnetic field.
Journal ArticleDOI
Intersection of potential energy surfaces in polyatomic molecules
Journal ArticleDOI
Diabatic and adiabatic representations for atomic collision problems.
TL;DR: In this paper, the Born-Oppenheimer separation into electronic and heavy-particle coordinates is re-examined, and the coupled equations that result for the heavyparticle motion are expressed in a particularly simple form.