Radiation and Time Scale Evolution of a P.E.M. pulse from EMBH

Details Radiation and Time Scale Evolution of a P.E.M. pulse from EMBH Radiation and Time Scale Evolution of a P.E.M. pulse from EMBH

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998tx19.confe..89r&link_type=abstract

Abstracts of the 19th Texas Symposium on Relativistic Astrophysics and Cosmology, held in Paris, France, Dec. 14-18, 1998. Eds.:

Astronomy and Astrophysics

Astrophysics

Scientific paper

The ``dyadosphere" is defined as the region outside the horizon of a black hole endowed with an electromagnetic field (EMBH) where the electromagnetic field exceeds the critical value for e^+e^- pair production. In a very short time (~O(frac{hbar}{mc^2})), a very large number of pairs is created there. Basic energy requirements of GRB sources, including GRB971214 recently observed at z = 3.4, can be easily accounted for by a pair creation process occurring in the ``Dyadosphere" of a charged Black Hole. In Dyadosphere, The pairs reach thermodynamic equilibrium with a photon gas and form together with baryonic remnant an enormous pair-electromagnetic-pulse or ``P.E.M. pulse" which naturally leads to relativistic expansion. Radiations from these ``P.E.M. pulse" are given and compared and contracted with the observed time scales and power laws of RGB's and their afterglow.

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