Journal ArticleDOI
Fluid dynamics of relativistic blast waves
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TLDR
In this paper, a fluid dynamical treatment of an ultra-relativistic spherical blast wave enclosed by a strong shock is presented, and a simple similarity solution describing the explosion of a fixed amount of energy in a uniform medium is derived, and generalized to include cases in which power is supplied by a central source and the density of the external medium varies with radius.Abstract:
A fluid dynamical treatment of an ultra‐relativistic spherical blast wave enclosed by a strong shock is presented. A simple similarity solution describing the explosion of a fixed amount of energy in a uniform medium is derived, and this is generalized to include cases in which power is supplied by a central source and the density of the external medium varies with radius. Radiative shocks, in which the escaping photons carry away momentum as well as energy, are also discussed. Formulas that interpolate between the non‐ and ultra‐relativistic limits are proposed.read more
Citations
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Neutrino Counterparts of Fast Radio Bursts
TL;DR: The discovery of a luminous radio burst, FRB 200428, with properties similar to those of fast radio bursts (FRB), in coincidence with an X-ray flare from the Galactic magnetar SGR 1935+2154, supports magnetar models for cosmological FRBs as discussed by the authors.
Journal ArticleDOI
Application of random walk theory to the first-order Fermi acceleration in shock waves
Tsunehiko N. Kato,Fumio Takahara +1 more
TL;DR: In this paper, the authors derived an integral equation to determine the density of scattering points of the random walk, and by solving it approximately they obtained approximate solutions of the probability density of pitch angle at, and the return probability after, the shock crossing in analytic form.
Journal ArticleDOI
Physics and Phenomenology of Weakly Magnetized, Relativistic Astrophysical Shock Waves
Arno Vanthieghem,Arno Vanthieghem,Martin Lemoine,Illya Plotnikov,Anna Grassi,Mickael Grech,Laurent Gremillet,Guy Pelletier +7 more
TL;DR: In this article, the authors draw a status report of the microphysics of relativistic collisionless shock waves, benchmarking analytical arguments with particle-in-cell simulations, and extract consequences of direct interest to the phenomenology, regarding the so-called microphysical parameters used in phenomenological studies.
Journal ArticleDOI
High energy neutrinos from gamma-ray bursts
TL;DR: A review of the recent work on the production of high energy neutrinos by GRB fireballs is presented in this paper, where it is shown that a significant fraction of GRB energy is expected to be converted to an accompanying burst of high-energy neutrino.
References
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Journal ArticleDOI
The Formation of a Blast Wave by a Very Intense Explosion. I. Theoretical Discussion
TL;DR: This paper has now been declassified, and though it has been superseded by more complete calculations, it seems appropriate to publish it as it was first written, without alteration, except for the omission of a few lines, the addition of this summary, and a comparison with some more recent experimental work as discussed by the authors.
Journal ArticleDOI
Relativistic Rankine-Hugoniot Equations
TL;DR: In this paper, the relativistic form of the Rankine-Hugoniot equations are derived and it is shown that as a consequence of the inequality mentioned earlier that the shock wave velocity is always less than that of light in vacuum for sufficiently strong shocks.