The low-lying adiabatic states of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:mrow><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">K</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msubsup></mml:mrow></mml:math> alkali dimer

Rabli, Djamal; McCarroll, R.

doi:10.1016/j.cplett.2019.02.051

Cited by 4 publications

(2 citation statements)

References 32 publications

(76 reference statements)

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“…Comparison of K 2 + Curves. The ground state molecular ion K 2 + PEC calculated in this work is accurate compared to prior works, 20 as can be seen in Figure 14. The reference energy was set to be zero at the asymptotic limit (unlike Figure 1, where the energy of the ionic X 2 Σ g + curve was set to be 0.03 a.u.…”

Section: Validation Of the Algorithmsupporting

confidence: 65%

Dissociative Recombination of K₂⁺ and Rb₂⁺ in Diode-Pumped Alkali Lasers: Potential Energy Curves and Atomic Products

et al. 2022

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Dissociative recombination (DR) of K2 + and Rb2 + ions is one of the most important processes in K and Rb diode-pumped alkali lasers (DPALs) strongly affecting their power. We report on the calculations of potential energy curves of the K2 + and Rb2 + molecular ions and of the diabatic 1Σ+, 3Σ+, 1Δ, 3Δ, 1Π, 3Π, 1Φ, and 3Φ valence states of K2 and Rb2 that provide the routes for DR of the ions. These curves are required for subsequent calculations of DR rate constants. It was found that the most likely DR routes for K are along the dissociative states 61Σg +, 53Σu +, and 23Δu and for Rb only 61Σg +. The excited states of K atoms produced by DR are 42P and 52P. Most of the Rb atoms produced by DR are in the 62P excited state, while a small fraction of the atoms produced by the less likely routes along two states of Rb2 are in the 52P state. This conclusion contradicts the kinetic scheme for K and Rb DPAL proposed elsewhere, and thus the kinetic schemes of these DPALs should be modified according to the present results.

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Section: Validation Of the Algorithmsupporting

confidence: 65%

Dissociative Recombination of K₂⁺ and Rb₂⁺ in Diode-Pumped Alkali Lasers: Potential Energy Curves and Atomic Products

et al. 2022

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“…Advances in the research of ultra-low-temperature gases have prompted a new interest in alkali–dimer cations (see e.g., [ 1 ]). Recently, potential energy curves of some diatomic molecules have been investigated with a special focus both on neutral and ionized alkali–dimer systems [ 2 , 3 , 4 ]. Calculations of the potential energy curves for molecules considered here have already been published: LiH

and NaH

in [ 5 ], Li

and Na

in [ 6 ] and for LiNa

in [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

Photodestruction of Diatomic Molecular Ions: Laboratory and Astrophysical Application

2020

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In this work, the processes of photodissociation of some diatomic molecular ions are investigated. The partial photodissociation cross-sections for the individual rovibrational states of the diatomic molecular ions, which involves alkali metals, as well as corresponding data on molecular species and molecular state characterizations, are calculated. Also, the average cross-section and the corresponding spectral absorption rate coefficients for those small molecules are presented in tabulated form as a function of wavelengths and temperatures. The presented results can be of interest for laboratory plasmas as well as for the research of chemistry of different stellar objects with various astrophysical plasmas.

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Charge transfer cross sections and transport coefficients of 39K+ − 39K and 41K+ − 39K at low-energy

Bouchelaghem

Bouledroua

2023

AIP Advances

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The transport coefficients, diffusion D( T), and reduced mobility K0 are calculated for systems 39K+ − 39K and 41K+ − 39K in a thermal range between 1 and 3000 K within the Chapman–Enskog approximation. This is preceded by a theoretical study of the collision of alkaline ions in their gases for low and intermediate energies in the range 10−14 ≤ E ≤ 10−3 (a.u.), and within this field, we calculate the interaction energy potentials and elastic and charge-transfer cross sections and discuss the isotopic effects in the 39 K+ − 39K and 41K+ − 39K collisions.

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The low-lying adiabatic states of the K2+ alkali dimer

Cited by 4 publications

References 32 publications

Dissociative Recombination of K₂⁺ and Rb₂⁺ in Diode-Pumped Alkali Lasers: Potential Energy Curves and Atomic Products

Dissociative Recombination of K₂⁺ and Rb₂⁺ in Diode-Pumped Alkali Lasers: Potential Energy Curves and Atomic Products

Photodestruction of Diatomic Molecular Ions: Laboratory and Astrophysical Application

Charge transfer cross sections and transport coefficients of 39K+ − 39K and 41K+ − 39K at low-energy

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The low-lying adiabatic states of the K2+ alkali dimer

Cited by 4 publications

References 32 publications

Dissociative Recombination of K2+ and Rb2+ in Diode-Pumped Alkali Lasers: Potential Energy Curves and Atomic Products

Dissociative Recombination of K2+ and Rb2+ in Diode-Pumped Alkali Lasers: Potential Energy Curves and Atomic Products

Photodestruction of Diatomic Molecular Ions: Laboratory and Astrophysical Application

Charge transfer cross sections and transport coefficients of 39K+ − 39K and 41K+ − 39K at low-energy

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Dissociative Recombination of K₂⁺ and Rb₂⁺ in Diode-Pumped Alkali Lasers: Potential Energy Curves and Atomic Products

Dissociative Recombination of K₂⁺ and Rb₂⁺ in Diode-Pumped Alkali Lasers: Potential Energy Curves and Atomic Products