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Journal ArticleDOI

Fluid dynamics of relativistic blast waves

Roger Blandford, +1 more
- 01 Aug 1976 - 
- Vol. 19, Iss: 8, pp 1130-1138
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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.

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The Structure of Gamma Ray Burst Jets

Om Sharan Salafia, +1 more
- 22 Jun 2022 - 
TL;DR: In this paper , the authors summarize the history of GRB jet structure research over the last two decades, from the inception of a universal jet structure to the current understanding of the complex processes that shape the structure, which involves the central engine that powers the jet and the interaction of the latter with the progenitor vestige.
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Early afterglows from radially structured outflows and the application to X-ray shallow decays ∗

TL;DR: In this article, the authors extend the standard reverse-forward shock model to the case of radially nonuniform ejecta and show that this process can be classified into two cases: the thick shell case and the thin shell case.
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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.
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Capturing blast waves in granular flow

TL;DR: In this article, Goldshtein et al. studied the hydrodynamics of blast waves in granular gases by means of a fifth-order accurate scheme that resolves the evolution under different restitution coefficients.
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Radio Afterglows of Gamma Ray Bursts

TL;DR: In this paper, the authors focus on the physics of Gamma Ray Bursts probed through their radio afterglow emission, and list a few avenues unique to radio band which if explored to full potential have the promise to greatly contribute to the future of GRB physics.
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.
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