Astrophysical: Magnetic fields

  • Publication
    Numerical simulations of kinematic dynamo action
    Numerical simulations of kinematic dynamo action in steady and three-dimensional ABC flows are presented with special focus on the difference in growth rates...
  • Publication
    Numerical simulations of linear magnetohydrodynamic waves in two-dimensional force-free magnetic fields
    High resolution observations of the solar corona made with instruments onboard the SOHO and TRACE spacecrafts have provided new evidence for the presence of...
  • Publication
    Numerical simulations of quiet Sun magnetic fields seeded by the Biermann battery
    The magnetic fields of the quiet Sun cover at any time more than 90% of its surface and their magnetic energy budget is crucial to explain the thermal structure...
  • Publication
    Observation and analysis of chromospheric magnetic fields .
    The solar chromosphere is a vigorously dynamic region of the sun, where waves and magnetic fields play an important role. To improve chromospheric diagnostics...
  • Publication
    Observation and Modeling of Anomalous CN Polarization Profiles Produced by the Molecular Paschen-Back Effect in Sunspots
    We report novel spectropolarimetric observations of sunspots carried out with the Tenerife Infrared Polarimeter in a near-IR spectral region around 15410 Å...
  • Publication
    Observation of Convective Collapse and Upward-moving Shocks in the Quiet Sun
    We present spectropolarimetric evidence of convective collapse and destruction of magnetic flux by upward-moving fronts in the quiet Sun. The observational...
  • Publication
    Observation of Linear Polarization in the Infrared Ca II Triplet Lines during Umbral Flashes
    We report on Télescope Héliographique pour l'Etude du Magnétisme et des Instabilités Solaires (THEMIS)2 observations of linear polarization events associated...
  • Publication
    Observation of the Molecular Zeeman Effect in the G Band
    Here we report on the first observational investigation of the Zeeman effect in the G band around 4305 Å. Our spectropolarimetric observations of sunspots with...
  • Publication
    Observational and numerical characterization of a recurrent arc-shaped front propagating along a coronal fan
    Context. Recurrent, arc-shaped intensity disturbances were detected by extreme-ultraviolet channels in an active region. The fronts were observed to propagate...