Application of the activation process model to the molecules, positive molecular ions, clusters, and proteins surrounded of IR laser radiation

Anatoly V. Stepanov

doi:10.1117/12.752501

10 July 2007 Application of the activation process model to the molecules, positive molecular ions, clusters, and proteins surrounded of IR laser radiation

Anatoly V. Stepanov

Author Affiliations +

Proceedings Volume 6727, ICONO 2007: Nonlinear Laser Spectroscopy and High-Precision Measurements; and Fundamentals of Laser Chemistry and Biophotonics; 67272R (2007) https://doi.org/10.1117/12.752501
Event: The International Conference on Coherent and Nonlinear Optics, 2007, Minsk, Belarus

Abstract

In 1990 the activation process model was proposed [1]. Development of the activation process model [2,3] led to description of either adiabatic or non-adiabatic processes for a molecular structure transformation [4]. The model is based on two simple assumptions: 1. During the transformation process, the potential energy of a molecular particle changes discretely or in quanta: the transformation process appears to be a series of quantum subsystems occurring in sequence (these subsystems may also be defined as identical quantum oscillators); 2. In the field of IR-laser radiation, an energy exchange between IR radiation and atoms of the molecular particle results in discrete translation of these atoms which absorb oscillation energy by identical quanta up to molecular structure complete transformation. The numerical simulation carried out according to the model offered has allowed to describe such processes as: dissociation of SF6 molecule [4] and styrene ion C₈H₈ ⁺ [5]; selfdiffusion processes in Si, Ge and GaAs clusters [6]; folding and insertion for the &bgr;-barrel outer membrane protein A (OmpA) of Escherichia coli into dioleoylphosphatidylcholine (DOPC) bilayers [7]. So, we can see this model has a significant field of application to the activation processes stimulated by IR laser radiation.

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Anatoly V. Stepanov "Application of the activation process model to the molecules, positive molecular ions, clusters, and proteins surrounded of IR laser radiation", Proc. SPIE 6727, ICONO 2007: Nonlinear Laser Spectroscopy and High-Precision Measurements; and Fundamentals of Laser Chemistry and Biophotonics, 67272R (10 July 2007); https://doi.org/10.1117/12.752501

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KEYWORDS

Process modeling

Oscillators

Molecules

Infrared lasers

Molecular lasers

Ions

Chemical species

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