Radio Wave Propagation through a Medium Containing Electron Density Fluctuations Described by an Anisotropic Goldreich‐Sridhar Spectrum
- 1 September 2002
- journal article
- Published by American Astronomical Society in The Astrophysical Journal
- Vol. 576 (1) , 176-187
- https://doi.org/10.1086/340792
Abstract
We study the propagation of radio waves through a medium possessing density fluctuations that are elongated along the ambient magnetic field and described by an anisotropic Goldreich-Sridhar power spectrum. We derive general formulas for the wave phase structure function, visibility, angular broadening, diffraction-pattern length scales, and scintillation time scale for arbitrary distributions of turbulence along the line of sight, and specialize these formulas to idealized cases.Keywords
All Related Versions
This publication has 33 references indexed in Scilit:
- Random Scattering and Anisotropic Turbulence of Shear Alfvén Wave PacketsThe Astrophysical Journal, 2001
- The Anisotropy of Magnetohydrodynamic Alfvenic TurbulenceThe Astrophysical Journal, 2000
- Diffractive Interstellar Scintillation Timescales and VelocitiesThe Astrophysical Journal, 1998
- Magnetohydrodynamic Turbulence RevisitedThe Astrophysical Journal, 1997
- Anisotropy in Hall MHD turbulence due to a mean magnetic fieldJournal of Plasma Physics, 1997
- Electron density power spectrum in the local interstellar mediumThe Astrophysical Journal, 1995
- Toward a theory of interstellar turbulence. 2: Strong alfvenic turbulenceThe Astrophysical Journal, 1995
- Anisotropic scattering of OH/IR stars toward the Galactic centerThe Astrophysical Journal, 1994
- Observations of field-aligned density fluctuations in the inner solar windThe Astrophysical Journal, 1990
- The shape of a scatter-broadened image - II. Interferometric visibilitiesMonthly Notices of the Royal Astronomical Society, 1989