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Introduction of Zeeman splitting in CHIANTI

Part of: Laboratory and Astrophysical Plasmas: New Perspectives

Published online by Cambridge University Press:  09 October 2020

M. Giarrusso Open the ORCID record for M. Giarrusso [Opens in a new window] ,
E. Landi Open the ORCID record for E. Landi [Opens in a new window] ,
G. Del Zanna Open the ORCID record for G. Del Zanna [Opens in a new window]  and
F. Leone Open the ORCID record for F. Leone [Opens in a new window]
M. Giarrusso*
Affiliation:
INFN, Laboratori Nazionali del Sud, Via S. Sofia 62, I-95123Catania, Italy
E. Landi
Affiliation:
Department of Climate and Space Sciences and Engineering, University of Michigan, Ann Arbor, MI48109, USA
G. Del Zanna
Affiliation:
DAMTP, Centre for Mathematical Sciences, University of Cambridge, Wilberforce Road, CambridgeCB3 0WA, UK
F. Leone
Affiliation:
Università di Catania, Dipartimento di Fisica e Astronomia, Sezione Astrofisica, Via S. Sofia 78, I-95123Catania, Italy INAF, Osservatorio Astrofisico di Catania, Via S. Sofia 78, I-95123Catania, Italy
*
†Email address for correspondence: [email protected]
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Abstract

High-resolution spectra emitted by laboratory plasmas provide invaluable diagnostic tools for the measurement of plasma properties. To be implemented, they require a large amount of atomic data and transition rates, which are available in several spectral codes. In this paper we present a new feature added to the CHIANTI code, which allows us to calculate the Zeeman splitting of spectral lines in the presence of a magnetic field with known intensity and orientation. When combined with the CHIANTI database and software to calculate level populations and line emissivities, this new feature returns the emissivities in all four Stokes parameters, that can be utilized for the measurement of the magnetic field inside laboratory plasma chambers, along with other plasma parameters. This new feature can be applied to the analysis of the emission of laboratory plasmas created in different devices.

Keywords

astrophysical plasmasplasma diagnosticsplasma properties
Type
Research Article
Information
Journal of Plasma Physics , Volume 86 , Issue 5 , October 2020 , 845860502
Copyright
Copyright © The Author(s), 2020. Published by Cambridge University Press

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