Plasma Shock Wave in Gamma-Ray Bursts: Nonlinear Phenomena and Radiative Process

2021 ◽  
pp. 1-7
Author(s):  
Swastik Ballav ◽  
Ansuman Das ◽  
Suman Pramanick ◽  
Swarniv Chandra
Keyword(s):  
Shock Wave ◽  
Gamma Ray ◽  
Gamma Ray Bursts ◽  
Nonlinear Phenomena ◽  
Radiative Process ◽  
Plasma Shock Wave ◽  
Plasma Shock

scholarly journals What is the radiative process of the prompt phase of Gamma Ray Bursts?

2010 ◽  
Author(s):  
G. Ghisellini ◽  
A. Comastri ◽  
L. Angelini ◽  
M. Cappi
Keyword(s):  
Gamma Ray ◽  
Gamma Ray Bursts ◽  
Radiative Process

scholarly journals ON THE INSTANTANEOUS SPECTRUM OF GAMMA-RAY BURSTS

2004 ◽  
Vol 13 (05) ◽  
pp. 843-851 ◽  
Author(s):  
REMO RUFFINI ◽  
CARLO LUCIANO BIANCO ◽  
SHE-SHENG XUE ◽  
PASCAL CHARDONNET ◽  
FEDERICO FRASCHETTI ◽  
...  
Keyword(s):  
Shock Wave ◽  
Gamma Ray ◽  
Thermal Emission ◽  
Equations Of Motion ◽  
Present Theory ◽  
Gamma Ray Bursts ◽  
Instantaneous Spectrum ◽  
Consistent Model ◽  
Past Light Cone

A theoretical attempt to identify the physical process responsible for the afterglow emission of Gamma-Ray Bursts (GRBs) is presented, leading to the occurrence of thermal emission in the comoving frame of the shock wave which gives rise to the bursts. The determination of the luminosities and spectra involves integration over an infinite number of Planckian spectra, weighted by appropriate relativistic transformations, each one corresponding to a different viewing angle in the past light cone of the observer. The relativistic transformations have been computed using the equations of motion of GRBs within our theory, giving special attention to the determination of the equitemporal surfaces. The only free parameter of the present theory is the "effective emitting area" in the shock wave front. A self-consistent model for the observed hard-to-soft transition in GRBs is also presented. When applied to GRB 991216 a precise fit (χ2≃1.078) of the observed luminosity in the 2–10 keV band is obtained. Similarly, detailed estimates of the observed luminosity in the 50–300 keV and in the 10–50 keV bands are obtained.

Discussion on plasma shock waves generated by high-power pulsed laser

2003 ◽  
Vol 793 ◽  
Author(s):  
ZhiHua Li ◽  
DuanMing Zhang ◽  
Li Guan
Keyword(s):  
Shock Wave ◽  
Shock Waves ◽  
Pulsed Laser ◽  
Point Explosion ◽  
Propagation Characteristics ◽  
The Difference ◽  
Plasma Shock Wave ◽  
First Time ◽  
Plasma Shock ◽  
The Ideal

ABSTRACTSedov-Taylor theory is modified to describe plasma shock waves generated in a pulsed laser ablating process. Under the reasonable asymptotic behavior and boundary conditions, the propagating rules in the global free space (including close areas and mid-far areas) of pulsed-laser-induced shock waves are established for the first time. In particular, the temporal behavior of energy causing the difference of the propagation characteristics between the practical plasma shock wave and the ideal shock wave in point explosion model is discussed in detail.

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