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2 Computational Methods in Science and Technology

2 1998

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Interpretation of experiments in Paul trap

100%

Dembczyński J. , Stachowska E. , Ruczkowski J. , Stachowska A.

tom Vol. 4

43-56

Chosen aspects of laser spectroscopy in a Paul trap have been discussed. On the example of interpretation of the experimental results for europium ion the advantages of the use of semiempirical atomic structure calculations have been proved. For the calculations a computer package, prepared and adopted by ourselves to be used on vector computers, has been applied.

Computational package for analysis of the fine structure of a free atom

100%

Dembczyński J. , Ruczkowski J. , Stachowska E. , Stachowska A.

tom Vol. 4

79-97

This work describes some computer programs that are available in compiled form for users of the SGI Power Challenge machine at Poznań Supercomputing and Networking Center. These programs give a possibility to solve very complex problems in the structure of free atoms using experimental data. The procedure of determination of the Slater integrals, spin-orbit parameters and also the parameters representing the effect of virtual excitations (many-body effects) is described. The program gives the propositions of the spectroscopic designations of energy levels. Moreover, the wavefunctions in intermediate coupling scheme in many-configurations approximation for the selected configuration system can be obtained.