Hanle effect with angle-dependent partial redistribution
نویسندگان
چکیده
منابع مشابه
Simulations of Zeeman - split Ca II K - line Stokes profiles with angle - dependent partial redistribution
The formulation of the polarized radiative transfer equations for Zeeman-split spectral lines is still incomplete for cases with frequency-dependent line source function, e.g. when partial frequency distribution (PRD) of line photons occurs (strong resonance lines). Under the well-founded assumption that the field-free approximation works equally well for lines with partial redistribution as fo...
متن کاملAngle dependent partial frequency redistribution in the interplanetary medium at Lyman α
We present here the results of a model of multiple scattering at Lyman α in the interplanetary medium. This paper uses the formalism of Angle Dependent Partial Frequency Redistribution which allows a computation of the actual line profile for a hydrogen velocity distribution taking into account actual local velocities and temperatures. This work extends the results of Quémerais & Bertaux (1993)...
متن کاملHanle effect in coherent backscattering.
We study the shape of the coherent-backscattering (CBS) cone obtained when resonant light illuminates a thick cloud of laser-cooled rubidium atoms in the presence of a homogenous magnetic field. We observe new magnetic field-dependent anisotropies in the CBS signal. We show that the observed behavior is due to the modification of the atomic-radiation pattern by the magnetic field (Hanle effect ...
متن کاملAtomic Polarization and the Hanle Effect
This article presents an introduction to optical pumping, atomic polarization and the Hanle effect in weakly magnetized stellar atmospheres. Although the physical processes and the theoretical framework described here are of interest for applications in a variety of astrophysical contexts (e.g. scattering polarization in circumstellar envelopes and polarization in astronomical masers), the arti...
متن کاملSpin Hanle effect in mesoscopic superconductors
M. Silaev,1,2 P. Virtanen,1 T. T. Heikkilä,3 and F. S. Bergeret4,5,6 1O.V. Lounasmaa Laboratory, P.O. Box 15100, FI-00076 Aalto University, Finland 2Department of Theoretical Physics, The Royal Institute of Technology, Stockholm SE-10691, Sweden 3Department of Physics and Nanoscience Center, University of Jyväskylä, P.O. Box 35 (YFL), FI-40014 University of Jyväskylä, Finland 4Centro de Fı́sica ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Astronomy & Astrophysics
سال: 2002
ISSN: 0004-6361,1432-0746
DOI: 10.1051/0004-6361:20021349