Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/7731
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dc.contributor.authorNagendra, K.N.-
dc.contributor.authorSowmya, K-
dc.contributor.authorSampoorna, M-
dc.contributor.authorStenflo, J.O.-
dc.contributor.authorAnusha, L.S.-
dc.date.accessioned2021-06-27T04:53:26Z-
dc.date.available2021-06-27T04:53:26Z-
dc.date.issued2020-07-20-
dc.identifier.citationThe Astrophysical Journal, Vol. 898, No. 1, 49en_US
dc.identifier.issn1538-4357-
dc.identifier.urihttp://hdl.handle.net/2248/7731-
dc.descriptionRestricted Accessen_US
dc.description.abstractAngle-frequency coupling in scattering of polarized light on atoms is represented by the angle-dependent (AD) partial frequency redistribution (PRD) matrices. There are several lines in the linearly polarized solar spectrum, for which PRD combined with quantum interference between hyperfine structure states play a significant role. Here we present the solution of the polarized line transfer equation including the AD-PRD matrix for scattering on a twolevel atom with hyperfine structure splitting and an unpolarized lower level. We account for the effects of arbitrary magnetic fields (including the incomplete Paschen–Back effect regime) and elastic collisions. For exploratory purposes we consider a self-emitting isothermal planar atmosphere and use atomic parameters that represent an isolated Na I D2 line. For this case we show that the AD-PRD effects are significant for field strengths below about 30 G, but that the computationally much less demanding approximation of angle-averaged PRD may be used for stronger fields.en_US
dc.language.isoenen_US
dc.publisherIOP Publishingen_US
dc.relation.urihttps://doi.org/10.3847/1538-4357/ab9747-
dc.rights© The American Astronomical Society-
dc.subjectAstrophysical processesen_US
dc.subjectThe Sunen_US
dc.titleImportance of angle-dependent partial frequency redistribution in hyperfine structure transitions under the incomplete paschen–back effect regimeen_US
dc.typeArticleen_US
Appears in Collections:IIAP Publications



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