Książka Laser 2009 Z. Blaszczak

Laser 2009

Proceedings of the 8th International Workshop on Application of Lasers and Storage Devices in Atomic Nuclei Research: Recent Achievements and Future Prospects (LASER 2009) held in Poznan, Poland, 22 June - 25 June, 2009

Język: Angielski
Oprawa: Miękka
Dostępność: Dostępna u dostawcy
Wysyłamy za 5-8 dni
848.41
For most elements of the periodic table, reliable computations of atomic data and properties are sti...

Informacje o książce

Język
Angielski
Oprawa
Książka - Miękka
Data wydania
2014
strony
337
EAN
9783642436246
ISBN
9783642436246
Enbook ID
09119241
Waga
539
Wymiary
155 x 19 x 18

Pełny opis

For most elements of the periodic table, reliable computations of atomic data and properties are still a challenge for (atomic) theory today. Despite of the great effort, that has been undertaken by many groups worldwide during the past four decades, yet serious difficulties arise not only from the complexity of most atoms and ions but also from the large variety of data that is needed in different fields of physics and science. In practice, one often faces several intricacies in performing such computations with the largest, perhaps, (1) due to the shell structure of most atoms and ions. This shell structure, i. e. the occupation of the atomic subshells, does not only change typically when an atom undergoes some transition but also hampers the analysis of one and the same property between neighboured elements. In fact, the particular shell structure of an atom or ion strongly affects the number of degenerate levels (or those nearby in energy) and may thus lead to very different computational requirements in dependence of the occupation of the shells. Further difficulties arise in addition also from (2) the relativistic treatment on the basis of the Dirac Coulomb (-Breit) Hamiltonian (which is needed for most medium and heavy elements, and sometimes even for the light ones) as well as from (3) the fact that many atomic properties are accompanied by the capture or emission of free electrons.

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