Astrofísicas: Transferencia radiativa

  • Publicación
    Isotropic inelastic and superelastic collisional rates in a multiterm atom
    The spectral line polarization of the radiation emerging from a magnetized astrophysical plasma depends on the state of the atoms within the medium, whose...
  • Publicación
    Isotropic Inelastic Collisions in a Multiterm Atom with Hyperfine Structure
    A correct modeling of the scattering polarization profiles observed in some spectral lines of diagnostic interest, the sodium doublet being one of the most...
  • Publicación
    Iteration Profiles in Radiative Transfer Problems. I. From Vectorial to Scalar Coupling
    We have recently introduced a new algorithm, the implicit integral method (IIM), for solving radiative transfer problems in which the specific source functions...
  • Publicación
    Iterative Methods for the Non-LTE Transfer of Polarized Radiation: Resonance Line Polarization in One-dimensional Atmospheres
    This paper shows how to generalize to non-LTE polarization transfer some operator splitting methods that were originally developed for solving unpolarized...
  • Noticia
    JO PULS: “Uno de los retos de los modelos de transporte radiativo es la evolución de los sistemas binarios masivos”
    Su interés por el transporte radiativo surgió a raíz de un congreso sobre atmósferas estelares al que asistió cuando aún cursaba sus estudios en Física...
  • Publicación
    Lagrangian and Eulerian Stratifications of Acoustic Oscillations through the Solar Photosphere
    We evaluate the stratification of acoustic oscillations in the solar photosphere in both the Lagrangian (comoving) frame of reference and the Eulerian (inertial...
  • Publicación
    Line Asymmetries and the Microstructure of Photospheric Magnetic Fields
    A systematic structuring of magnetic fields over scales much smaller than the mean free path of photospheric photons may be responsible for the observed...
  • Publicación
    Line formation in solar granulation. I. Fe line shapes, shifts and asymmetries
    Realistic ab-initio 3D, radiative-hydrodynamical convection simulations of the solar granulation have been applied to Fe i and Fe ii line formation. In contrast...
  • Publicación
    Linear Polarization due to Lower Level Depopulation Pumping in Stellar Atmospheres
    The possible generation of linear polarization in spectral lines due to depopulation-pumping processes in stellar atmospheres is investigated within the...