Variational studies of ro-vibrational spectra of DT⁺ and T₂⁺ ions

2025/07/16 by D. Aznabayev, Aznabayev, D. T., D. B. Zhomartova +5
Physics and Astronomy · #Atomic Physics (physics.atom-ph) #Atomic and Subatomic Physics Research #FOS: Physical sciences #Quantum optics and atomic interactions

paper · pdf · doi:10.48550/arxiv.2507.12243

openalex publication_date 2025/07/16 · openalex created_date 2025/10/14 · openalex updated_date 2026/07/28

Abstract

In this work we study the last two hydrogen molecular ion isotopologues: DT⁺ and T₂⁺, for which high-precision calculations have not yet been made. We obtain the nonrelativistic solutions of the Schrödinger equation for the wide range of vibrational states up to the highest possible vibrational 1sσ_g state which are of spectroscopic precision. Transition amplitudes for electric dipole transitions, leading-order relativistic corrections and coefficients of the effective hyperfine structure Hamiltonians for both DT⁺ and T₂⁺ are also calculated.

Citations

• Determination of a set of fundamental constants from molecular hydrogen ion spectroscopy: a modeling study
• CODATA Recommended Values of the Fundamental Physical Constants: 2022
• Modern theory of nuclear forces
• Modern theory of nuclear forces

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