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Internal shocks in relativistic outflows: collisions of magnetized shells
Petar Mimica, Miguel-Angel Aloy, Ewald Mueller
(Abridged): We study the collision of magnetized irregularities (shells) in relativistic outflows in order to explain the origin of the generic phenomenology observed in the non-th…
Neutrino pair annihilation near accreting, stellar-mass black holes
R. Birkl, M. -A. Aloy, H. -Th. Janka +1
We investigate the energy-momentum deposition due to neutrino-antineutrino annihilation in the vicinity of axisymmetric, accreting black holes (BHs) by numerically ray-tracing neut…
GRB 060121: Implications of a Short/Intermediate Duration Gamma-Ray Burst at High Redshift
A. de Ugarte Postigo, A. J. Castro-Tirado, S. Guziy +23
Since the discovery of the first short-hard gamma-ray burst afterglows in 2005, the handful of observed events have been found to be embedded in nearby (z < 1), bright underlying g…
A powerful hydrodynamic booster for relativistic jets
Miguel A. Aloy, Luciano Rezzolla
Velocities close to the speed of light are a robust observational property of the jets observed in microquasars and AGNs, and are expected to be behind much of the phenomenology of…
Axisymmetric simulations of magnetorotational core collapse: Approximate inclusion of general relativistic effects
M. Obergaulinger, M. A. Aloy, H. Dimmelmeier +1
We continue our investigations of the magnetorotational collapse of stellar cores discussing simulations performed with a modified Newtonian gravitational potential that mimics gen…