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Atomic Structure Calculations of Landé

Schiffmann, Sacha LU ; Brage, Tomas LU ; Gordon Judge, Philip ; Paraschiv, Alin Razvan and Wang, Kai (2021) In Astrophysical Journal 923(2).
Abstract

We perform a detailed theoretical study of the atomic structure of ions with ns 2 np m ground configurations and focus on departures from LS coupling, which directly affect the Landé g factors of magnetic dipole lines between levels of the ground terms. Particular emphasis is given to astrophysically abundant ions formed in the solar corona (those with n = 2,3) with M1 transitions spanning a broad range of wavelengths. Accurate Landé g factors are needed to diagnose coronal magnetic fields using measurements from new instruments operating at visible and infrared wavelengths, such as the Daniel K. Inouye Solar Telescope. We emphasize an explanation of the dynamics of atomic structure effects for nonspecialists.

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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Astrophysical Journal
volume
923
issue
2
article number
186
publisher
American Astronomical Society
external identifiers
  • scopus:85122917431
ISSN
0004-637X
DOI
10.3847/1538-4357/ac2cca
language
English
LU publication?
yes
additional info
Publisher Copyright: © 2021. The American Astronomical Society. All rights reserved.
id
a203dfc5-77ba-41bf-b548-791076df0158
date added to LUP
2022-02-04 15:56:50
date last changed
2022-04-21 23:04:51
@article{a203dfc5-77ba-41bf-b548-791076df0158,
  abstract     = {{<p>We perform a detailed theoretical study of the atomic structure of ions with ns 2 np m ground configurations and focus on departures from LS coupling, which directly affect the Landé g factors of magnetic dipole lines between levels of the ground terms. Particular emphasis is given to astrophysically abundant ions formed in the solar corona (those with n = 2,3) with M1 transitions spanning a broad range of wavelengths. Accurate Landé g factors are needed to diagnose coronal magnetic fields using measurements from new instruments operating at visible and infrared wavelengths, such as the Daniel K. Inouye Solar Telescope. We emphasize an explanation of the dynamics of atomic structure effects for nonspecialists.</p>}},
  author       = {{Schiffmann, Sacha and Brage, Tomas and Gordon Judge, Philip and Paraschiv, Alin Razvan and Wang, Kai}},
  issn         = {{0004-637X}},
  language     = {{eng}},
  month        = {{12}},
  number       = {{2}},
  publisher    = {{American Astronomical Society}},
  series       = {{Astrophysical Journal}},
  title        = {{Atomic Structure Calculations of Landé}},
  url          = {{http://dx.doi.org/10.3847/1538-4357/ac2cca}},
  doi          = {{10.3847/1538-4357/ac2cca}},
  volume       = {{923}},
  year         = {{2021}},
}