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JOURNALS // Teplofizika vysokikh temperatur // Archive

TVT, 2014 Volume 52, Issue 4, Pages 543–555 (Mi tvt619)

This article is cited in 3 papers

Thermophysical Properties of Materials

The Rate Constant of Diatomic Molecule Dissociation within the Shock Forced Oscillator Model (SFO Model)

D. L. Tsyganov

Instituto de Plasmas e Fusão Nuclear

Abstract: A numerical analytical investigation of the shock forced oscillator (SFO) model as applied to the "diatomic molecule $AB$–structureless particle $M$" system is continued. The SFO model is based on the quantum theory of strong perturbations and allows one to estimate probabilities $W_{i \to f}$ for the transitions from level $i$ to level $f$ of diatomic molecule $AB$. The numerical analysis was carried out by the example of the nitrogen molecule $\text{N}_2$, with anharmonic description of the internuclear interaction potential. The intermolecular interaction potentials in the $\text{N}_2$$\text{N}_2$ system are numerically analyzed using the Morse potential, the classical Lennard-Jones potential, and the "improved" Lennard-Jones potential.

UDC: 544.42,544.08

Received: 24.04.2013

DOI: 10.7868/S0040364414030272


 English version:
High Temperature, 2014, 52:4, 518–529

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© Steklov Math. Inst. of RAS, 2026