A perturbation theoretic approach to the Riccati equation for the Floquet energies, spectral intensities, and cutoff energy of harmonic generation in photon emission from nonadiabatic electron-transfer dynamics driven by infrared CW laser fields

The Journal of Chemical Physics
Yuta MizunoKazuo Takatsuka

Abstract

A complicated yet interesting induced photon emission can take place by a nonadiabatic intramolecular electron transfer system like LiF under an intense CW laser [Y. Arasaki, S. Scheit, and K. Takatsuka, J. Chem. Phys. 138, 161103 (2013)]. Behind this phenomena, the crossing point between two potential energy curves of covalent and ionic natures in diabatic representation is forced to oscillate, since only the ionic potential curve is shifted significantly up and down repeatedly (called the Dynamical Stark effect). The wavepacket pumped initially to the excited covalent potential curve frequently encounters such a dynamically moving crossing point and thereby undergoes very complicated dynamics including wavepacket bifurcation and deformation. Intramolecular electron transfer thus driven by the coupling between nonadiabatic state-mixing and laser fields induces irregular photon emission. Here in this report we discuss the complicated spectral features of this kind of photon emission induced by infrared laser. In the low frequency domain, the photon emission is much more involved than those of ultraviolet/visible driving fields, since many field-dressed states are created on the ionic potential, which have their own classical tu...Continue Reading

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Feb 2, 2010·Physical Chemistry Chemical Physics : PCCP·Yasuki Arasaki, Kazuo Takatsuka
Apr 8, 2010·The Journal of Chemical Physics·Yasuki ArasakiVincent McKoy
Feb 4, 2011·Physical Chemistry Chemical Physics : PCCP·Yasuki ArasakiKazuo Takatsuka
Nov 18, 2011·The Journal of Physical Chemistry. a·Simona ScheitKazuo Takatsuka
Mar 27, 2013·The Journal of Physical Chemistry. a·Takehiro Yonehara, Kazuo Takatsuka
May 3, 2013·The Journal of Chemical Physics·Yasuki ArasakiKazuo Takatsuka
Dec 22, 2014·The Journal of Chemical Physics·Yasuki ArasakiKazuo Takatsuka

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