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Gravitational instability of the primordial plasma: anisotropic evolution of structure seeds
Cosmological perturbations Cosmological magnetic fields Structure formation Magnetohydrodynamics
2011/8/17
Abstract: We study how the presence of a background magnetic field, of intensity compatible with current observation constraints, affects the linear evolution of cosmological density perturbations at ...
Gravitational instability of the inner static region of a Reissner-Nordstrom black hole
Gravitational instability black hole inner static region
2010/3/17
Reissner--Nordstr\"om black holes have two static regions: $r > \ro$ and $0 < r < \ri$, where $0 < \ri < \ro$ are the inner and outer horizon radii. The stability of the exterior static region has bee...