Charged multifluids in general relativity
arXiv:gr-qc/0211067 · doi:10.1088/0264-9381/20/9/315
Abstract
The exact 1+3 covariant dynamical fluid equations for a multi-component plasma, together with Maxwell's equations are presented in such a way as to make them suitable for a gauge-invariant analysis of linear density and velocity perturbations of the Friedmann-Robertson-Walker model. In the case where the matter is described by a two component plasma where thermal effects are neglected, a mode representing high-frequency plasma oscillations is found in addition to the standard growing and decaying gravitational instability picture. Further applications of these equations are also discussed.
14 pages (example added), to appear in Class. Quantum Grav
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- Cosmic magnetic fields from velocity perturbations in the early Universe
- Evolution of primordial magnetic fields in mean-field approximation
- Resistive relativistic magnetohydrodynamics from a charged multi-fluids perspective
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- Vorticity production and survival in viscous and magnetized cosmologies
- Gravitational, shear and matter waves in Kantowski-Sachs cosmologies
- Primordial magnetic seed field amplification by gravitational waves
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- Interaction between gravitational waves and plasma waves in the Vlasov description
- Covariant and gauge-invariant linear scalar perturbations in multiple scalar field cosmologies
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- Diamagnetic field states in cosmological plasmas
- Perfect magnetohydrodynamics as a field theory
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- Scalar Perturbations in Two-Temperature Cosmological Plasmas
- Transverse Wave Propagation in Relativistic Two-fluid Plasmas around Schwarzschild-anti-de Sitter Black Hole
- Cosmological perturbations in Energy-Momentum Squared Gravity