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Дата изменения: Fri Jun 16 18:31:22 2000 Дата индексирования: Mon Oct 1 20:15:07 2012 Кодировка: Поисковые слова: horizon |
"Electromagnetic burst shape
from collapsing magnetized object", Pis'ma v AZh, submitted, 1996
Abstract:
The shape of magneto-dipole losses is investigated taking into
account the relativistic effect of magnetic field dissipation in the result
of the collapse.
In terms of the simple model the solution of the burst like type has
been obtained both for a direct collapse and for a case of formation of a
fast-roating, self-gravitating object colled spinar.
The analytical expressions are derived which describe
the burst dependence on radius. The burst dependences on time for an
infinitely far observer, as well as the maximum energy of relativistic
particles accelerated by an electric field are simulated. The most
interesting is the possibility of acceleration of particles up to Planck
energies
in the vicinity of the considered objects. Some astrophysical
applications to active galactic nuclei, QSOs are briefly discussed.
For the first time the possibility of the formation of the spinars
from merging neutron stars is indicated, considering or not the
relationship with $\gamma$-ray bursts.