Relativistic Magnetic Explosion Origin of Gamma-Ray Bursts

Details Relativistic Magnetic Explosion Origin of Gamma-Ray Bursts Relativistic Magnetic Explosion Origin of Gamma-Ray Bursts

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aps..apr.p9009l&link_type=abstract

American Physical Society, April Meeting, 2003, April 5-8, 2003 Philadelphia, Pennsylvania, MEETING ID: APR03, abstract #P9.009

Astronomy and Astrophysics

Astrophysics

Scientific paper

Using multi-dimensional Particle-In-Cell simulations of the relativistic explosion of a strongly magnetized collisionless plasma, we recently discovered a new particle energization mechanism which we call the diamagnetic relativistic pulse accelerator (DRPA). For an electron-positron plasma, this mechanism efficiently converts over 80ultra-relativistic directed energy of the surface particles. When these PIC simulations are continued to > 10000 electron gyroperiods, key features emerge which resemble the characteristic signatures of cosmic gamma-ray bursts, including their spectra, time profiles and spectral evolution. We will highlight the key results of these PIC simulations and their astrophysical implications.

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