In the framework of a quasi-molecular approach, the formation of hydrogen atom in the pre-
recombination period of evolution of the Universe is analysed quantitatively. Calculations in …

The recombination of an electron and a proton is assumed to occur in the presence of
another proton, which participates in the process. The system of colliding particles is …

Coulomb Sturmians are obtained in prolate spheroidal coordinates by separation of
variables in the Schrödinger equation and direct solution of the appropriate one …

A simple and straightforward calculating scheme is suggested for finding wave functions of
the hydrogen atom in prolate spheroidal coordinates. The wave functions are found in an …

The problem of dipole transition-matrix element calculation for optical transitions in multiply
charged one-electron diatomic quasimolecules with unequal nuclear charges Z 1 and Z 2 …

The population of the 2 s-level of hydrogen formed in the early Universe is studied within a
standard and a non-standard quasi-molecular mechanism of recombination. We …

We studied the Rydberg series for the 12 1 Σ u+, 7 1 Δ u, and 1 1 Γ u states. This set consists
of the seventeen states derivable from the Li (2s)+ Li (nl)(n= 2, 3, 4, 5) configuration, one 1 Σ …

We theoretically study 37 Rydberg states of HeH derivable from the He (1 s 2)+ H (nl)
configuration with n≤ 5 along with three states with n= 6. The multireference configuration …

It has been found that if the order of asymmetry of the quasimolecule atoms formed M=
ZH/ZL (1.65, correlation of the molecular orbitals (MO) occurs according to the MO …

A charged particle (electron or hole) confined in nanorod of strongly prolate ellipsoidal
shape is considered. The effective-mass Schr\" odinger equation is solved in prolate …