Hanle‐Zeeman Redistribution Matrix. III. Solution of the Polarized Line Formation Problem | Zendy

M. Sampoorna | Zendy; K. N. Nagendra | Zendy; J. O. Stenflo | Zendy

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Hanle‐Zeeman Redistribution Matrix. III. Solution of the Polarized Line Formation Problem

Author(s) -

M. Sampoorna,

K. N. Nagendra,

J. O. Stenflo

Publication year - 2008

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/587477

Subject(s) - zeeman effect , hanle effect , physics , radiative transfer , scattering , magnetic field , atomic physics , computational physics , quantum electrodynamics , condensed matter physics , optics , quantum mechanics

The polarized radiative transfer equation is solved numerically, taking into account both the Zeeman absorption matrix and the Hanle-Zeeman redistribution matrix, to obtain line profiles for arbitrary magnetic field strengths, par- tial frequency redistribution, and scattering-dominated line transitions. The limiting cases of weak-field Hanle scat- tering and strong-field Zeeman true absorption are retrieved. The intermediate regime, where both Zeeman absorption and scattering effects are important, is studied in some detail. The numerical method is applied to various test cases to illustrate aspects of partial frequency redistribution on line scattering in magnetic fields of arbitrary strength and direction.

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