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Charged ions has been very good application of highly charged ions dynamics study of astrophysics , quantum chromodynamics , the fine structure of atoms and atomic mass measurement research areas are of great significance . Carry enormous potential of highly charged ions , highly charged ions is also expected to become a new tool for surface analysis and surface modification . In medical applications , highly charged ions easy acceleration characteristics , making it the first choice for heavy ion radiotherapy ion . In this paper, totally real plus associated ideology , we further study class lithium Ni25 ion (Z = 28) 1s2np (2 ≤ n ≤ 9) , and 1s2nd ( 3 ≤ n ≤ 9 ) of Rydberg sequence energy , its focus on energy correction , while oscillator strength theory . We calculate the non- relativistic energies of Ni25 ions , relativistic energies , transition energy and wavelength fine structure splittings quantum loss , the quantum loss energy coefficient expand the state Ni25 ion 1s2np-1s2nd dipole transition oscillator strength , FCPC method and quantum the loss theory combined with extrapolation , we get all possible Ni25 ion dipole transition oscillator strength with the variation of the energy of the system , in this process , select the the length specification under the oscillator strength . During the energy correction , including real atomic correction , extrapolation of high angular momentum partial wave contribution to the energy and relativistic energy correction ; relativistic energy correction seeking first-order perturbation of the energy of the system , QED correction and higher order relativistic corrections . Relativistic effect , an amendment to the energy , causing the spectral line splitting , ie the fine structure . Single-channel quantum defect theory of ideology, the hydrogenic approximation introduced effective nuclear charge of the valence electrons , to estimate the contribution of higher order relativistic and QED effects on the fine structure splitting , and calculated 1s2np for ( 2 ≤ n ≤ 9 ) and 1S2nd ( 3 ≤ n ≤ 9 ) of Rydberg sequences quantum defect . The results obtained are in good agreement with the available experimental data . Finally, the oscillator strength , but also to achieve a theoretical study of lithium atoms with higher nuclear charge system oscillator strength in the range of Almighty domain , including all discrete and continuum states .
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