Off-resonant electronic state dynamics in the laser field
Otabek Umarov
1,*
,
Islom Egamberdiev
2
1 Kimyo International University in Tashkent , Shota Rustaveli street, 156, Tashkent 100121, Uzbekistan
2 Samarkand State Architecture and Construction University named after Mirzo Ulugbek , Lolazor street 70, Samarqand 140143, Uzbekistan
Abstract
The density probability dynamics of the second electronic excited state are investigated using a short, intense UV laser, which pumps the system from the ground state to the first excited state of the NH system, which has three electronic states. The impacts of density on the various pulse durations of the applied pump have been tested in the case of switching off the first excited electronic state. The study has shown that the Fast Fourier transform (FFT) of the photon energy and electric field helps us interpret the density probabilities of the (second) excited electronic state (located far from the center of the laser) for various pulse durations. When the pulse duration changes in two cases, we find that modifying the laser pulse duration also influences the dissociation dynamics of the system. The one-dimensional time-dependent Schrödinger equation (TDSE) is employed to investigate molecular dynamics within the multiconfigurational time-dependent Hartree (MCTDH) method.
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Cite this article
Umarov, O. and Egamberdiev, I., Off-resonant electronic state dynamics in the laser field, Turanian J. Vol. 1, No. 3 (010306), 2025.