Astrophysical: Radiative transfer

  • Publication
    The NaI resonance lines as a spectroscopic test of late-type stellar atmospheres.
    We have tested current models for the atmospheres (including photosphere and low chromosphere) of late-type stars using the D resonance lines of neutral sodium...
  • Publication
    The origin of the reversed granulation in the solar photosphere
    Aims:We study the structure and reveal the physical nature of the reversed granulation pattern in the solar photosphere by means of 3-dimensional radiative...
  • Publication
    The Physical Origin and Magnetic Sensitivity of the Scattering Polarization Observed in the O i IR Triplet at 777 nm
    The linearly polarized solar limb spectrum caused by the absorption and scattering of anisotropic radiation has a very rich diagnostic potential, given its...
  • Publication
    The Polarization of the Solar Ba II D<SUB>1</SUB> Line with Partial Frequency Redistribution and Its Magnetic Sensitivity
    We investigate the main physical mechanisms that shape the intensity and polarization of the Ba II D 1 line at 4934 Å via radiative transfer numerical...
  • Publication
    The Polarization of the Solar Mg II h and k Lines
    Although the h and k lines of Mg II are expected to be of great interest for probing the upper solar chromosphere, relatively little is known about their...
  • Publication
    The polarization signals of the solar K I D lines and their magnetic sensitivity
    Aims: This work aims to identify the relevant physical processes in shaping the intensity and polarization patterns of the solar K I D lines through spectral...
  • Publication
    The Polarization-Free Approximation Applied to Multi-Level Non-LTE Radiative Transfer
    The polarization-free (POF) approximation (Trujillo Bueno and Landi Degl'Innocenti, 1996) is capable of accounting for the approximate influence of the magnetic...
  • Publication
    The Potential of the Wavelength-integrated Scattering Polarization of the Hydrogen Lyα Line for Probing the Solar Chromosphere
    The intensity and the linear scattering polarization profiles of the hydrogen Lyα line encode valuable information on the thermodynamic and magnetic structure...
  • Publication
    The Scattering Polarization of the Lyα Lines of H I and He II Taking into Account Partial Frequency Redistribution and J-state Interference Effects
    Recent theoretical investigations have pointed out that the cores of the Lyα lines of H I and He II should show measurable scattering polarization signals when...