Journal
ASTROPHYSICAL JOURNAL LETTERS
Volume 763, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/2041-8205/763/1/L12
Keywords
gamma-ray burst: general; hydrodynamics; methods: numerical; turbulence
Categories
Funding
- NSF [AST-1009863]
- NASA [NNX10AF62G]
- Division Of Astronomical Sciences
- Direct For Mathematical & Physical Scien [1009863] Funding Source: National Science Foundation
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High-resolution numerical simulations are utilized to examine isotropic turbulence in a compressible fluid when long-wavelength velocity fluctuations approach light speed. Spectral analysis reveals an inertial sub-range of relativistic motions with a broadly 5/3 index. The use of generalized Lorentz covariant structure functions based on the four-velocity is proposed. These structure functions extend the She-Leveque model for intermittency into the relativistic regime.
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