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Browsing by Author "Nagendra, K. N"

Browsing by Author "Nagendra, K. N"

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  • Theory of polarized scattering in the mixed hanle-zeeman regime 
    Sampoorna, M; Nagendra, K. N; Stenflo, J. O (Astronomical Society of the Pacific, 2009-06)
    We present the theory of polarized partial frequency redistribution (PRD) in the presence of arbitrary magnetic fields. Starting from the classical theory of Bommier & Stenflo (1999) we derive the laboratory frame PRD ...
  • Turbulent magnetic field averages for the Zeeman effect 
    Frisch, H; Sampoorna, M; Nagendra, K. N (Societa Astronomica Italiana, 2007)
    Stokes parameters measured in the Solar atmosphere are in general time or space averages over a magnetic field probability distribution function. Here we show how to write the Zeeman propagation matrix in a reference ...
  • Zeeman line formation in solar magnetic fields. Studies with empirical probability distribution functions 
    Sampoorna, M; Nagendra, K. N; Frisch, H; Stenflo, J. O (EDP Sciences, 2008-07)
    Context. Numerical simulations of magneto-convection and analysis of solar magnetograms provide probability distribution functions (PDFs) for the magnetic field strength. Aims. In the paper, we explore the effects of these ...

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