Magnetohydrodynamics and Plasma Cosmology
arXiv:gr-qc/0512131 · doi:10.1007/s10773-007-9346-x
Abstract
We study the linear magnetohydrodynamic (MHD) equations, both in the Newtonian and the general-relativistic limit, as regards a viscous magnetized fluid of finite conductivity and discuss instability criteria. In addition, we explore the excitation of cosmological perturbations in anisotropic spacetimes, in the presence of an ambient magnetic field. Acoustic, electromagnetic (e/m) and fast-magnetosonic modes, propagating normal to the magnetic field, can be excited, resulting in several implications of cosmological significance.
9 pages, RevTeX, To appear in the Proceedings of the Peyresq X Meeting, IJTP Conference Series
References in corpus (12)
- Constraints on a Primordial Magnetic Field
- Relativistic simulations of rotational core collapse. II. Collapse dynamics and gravitational radiation
- Large-scale magnetic fields from hydromagnetic turbulence in the very early universe
- Gravitational Wave Emission From Core-Collapse of Massive Stars
- A Limit on Primordial Small-Scale Magnetic Fields from CMB Distortions
- Tensor Microwave Anisotropies from a Stochastic Magnetic Field
- Magnetized cosmological perturbations
- Microwave Background Anisotropies from Alfven waves
- Distortion of the acoustic peaks in the CMBR due to a primordial magnetic field
- Collapse of a Magnetized Star to a Black Hole
- Galaxy formation and cosmic-ray acceleration in a magnetized universe
- Waves and instabilities in an anisotropic universe