The effect of spatial and other external confinements on the ground and excited state energy
levels of many electron atoms, ions and exotic systems is discussed. Special emphasis is …

The influence of plasma screening on the transition energies and radiative properties of He-
like ions embedded in dense plasma environment has been analyzed. For this purpose, the …

The energy spectra of spherically confined hydrogen atom embedded in an exponential-
cosine-screened Coulomb potential is worked out by using the Bernstein-polynomial …

The ion-sphere model for a strongly coupled dense plasma is applied to investigate the
influence of plasma screening on the low-lying 2s 2 1 S 0→ 2s2p 1 P 1 o resonance and 2s …

Dense plasma effects on bound energy levels have been studied with relativistic atomic
structure simulations that include intermediate coupling and configuration interaction. A …

The screening induced by a dense plasma environment is crucially important for
determining radiative atomic data including bound–bound radiative decay rates and …

Pilot calculations on the hyperpolarizability of He, the first neutral member of the two electron
sequence, have been performed under spherical confinement with a view to analyse the …

Systematic investigations on the hyperpolarizabilities of hydrogen and helium like ions up to
nuclear charge Z= 7 under strongly coupled plasma environment have been performed …

Spectral line positions for the highly stripped helium like carbon, aluminium and argon
embedded in intense plasma environments have been calculated theoretically to compare …

A detailed study has been performed for estimating the orbital energies, positions and shifts
of the Lyman lines of C 5+, Al 12+ and Ar 17+ under strongly coupled plasma with a view to …