Unexpected transitions induced by spin-dependent, hyperfine and external magnetic-field interactions
Author
Summary, in English
Unexpected transitions are induced by weaker interactions not included in the gross structure model of the ion under investigation. We discuss different examples of such decay channels, starting with relativistic spin-induced transitions. These represented an important field of study a few decades ago, and we illustrate how some challenging cases can be treated very accurately with today's computational techniques, while close degeneracy sometimes still prevents ab initio methods from obtaining accurate results. For hyperfine induced transitions we review some recent results and discuss remaining challenges for experiment and theory. Finally, we discuss the newly opened field of accurate calculations for transitions induced by an external magnetic field and point to some examples of where these are accessible for experimental tests.
Department/s
Publishing year
2014
Language
English
Publication/Series
Physica Scripta
Volume
89
Issue
11
Document type
Journal article
Publisher
IOP Publishing
Topic
- Condensed Matter Physics
Keywords
- atomic structure
- unexpected transitions
- magnetic-field effects
- angular distribution of radiation
- hyperfine effects
Status
Published
ISBN/ISSN/Other
- ISSN: 0031-8949