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RADIATIVE SIGNATURES OF RELATIVISTIC SHOCKS

Abstract:

Particle-in-cell simulations of relativistic, weakly magnetized collisionless shocks show that particles can gain energy by repeatedly crossing the shock front. This requires scattering off self-generated small length-scale magnetic fluctuations. The radiative signature of this first-order Fermi acceleration mechanism is important for models of both the prompt and afterglow emission in gamma-ray bursts and depends on the strength parameter a = λe|δB|/mc 2 of the fluctuations (λ is the length ...

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Publication status:
Published

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Publisher copy:
10.1088/2041-8205/710/1/L16

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
Journal:
ASTROPHYSICAL JOURNAL LETTERS
Volume:
710
Issue:
1
Pages:
L16-L20
Publication date:
2010-02-10
DOI:
EISSN:
2041-8213
ISSN:
2041-8205
Source identifiers:
158787
Language:
English
Keywords:
Pubs id:
pubs:158787
UUID:
uuid:3e481203-5bfc-4688-954f-5eeb6d3a78a4
Local pid:
pubs:158787
Deposit date:
2012-12-19

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