Precise non-variational calculation of the μdt molecular ion

R. Krivec*, M. I. Haftel, V. B. Mandelzweig

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Direct solutions of the Schrödinger equation for the ground and excited S-states of the μdt molecular ion are obtained with the correlation-function hyperspherical-harmonic method. The method generates locally correct wave functions that lead to precise expectation values of the Hamiltonian and of different functions of interparticle distances. The nonlinear correlation factor used in the present work is chosen to provide a proper description of asymptotic behaviour and cusp singularities in all variables. The calculations are compared with our previous CFHH calculations with the linear correlation factor (which accounts only for the μd and μt cusp structure) and with other precision computations. Significant improvements over the linear correlation factor are found, with values of some observables having comparable or better accuracy than in the current literature.

Original languageEnglish
Pages (from-to)229-242
Number of pages14
JournalFew-Body Systems
Volume17
Issue number2-4
DOIs
StatePublished - Jun 1994

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