giant flare
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Nature ◽  
2021 ◽  
Vol 600 (7890) ◽  
pp. 621-624
Author(s):  
A. J. Castro-Tirado ◽  
N. Østgaard ◽  
E. Göǧüş ◽  
C. Sánchez-Gil ◽  
J. Pascual-Granado ◽  
...  

2021 ◽  
Vol 21 (9) ◽  
pp. 236
Author(s):  
Vikas Chand ◽  
Jagdish C. Joshi ◽  
Rahul Gupta ◽  
Yu-Han Yang ◽  
Dimple ◽  
...  

2021 ◽  
Author(s):  
Elisabetta Bissaldi ◽  
Oliver Roberts ◽  
Peter Veres ◽  
Matthew Baring ◽  
Michael S. Briggs ◽  
...  
Keyword(s):  

2021 ◽  
Vol 907 (2) ◽  
pp. L28
Author(s):  
E. Burns ◽  
D. Svinkin ◽  
K. Hurley ◽  
Z. Wadiasingh ◽  
M. Negro ◽  
...  

Nature ◽  
2021 ◽  
Vol 589 (7841) ◽  
pp. 207-210 ◽  
Author(s):  
O. J. Roberts ◽  
P. Veres ◽  
M. G. Baring ◽  
M. S. Briggs ◽  
C. Kouveliotou ◽  
...  

2020 ◽  
Vol 903 (2) ◽  
pp. L32
Author(s):  
Hai-Ming Zhang ◽  
Ruo-Yu Liu ◽  
Shu-Qing Zhong ◽  
Xiang-Yu Wang
Keyword(s):  

2020 ◽  
Vol 46 (9) ◽  
pp. 573-585
Author(s):  
P. Yu. Minaev ◽  
A. S. Pozanenko

2020 ◽  
Vol 899 (2) ◽  
pp. 106 ◽  
Author(s):  
Jun Yang ◽  
Vikas Chand ◽  
Bin-Bin Zhang ◽  
Yu-Han Yang ◽  
Jin-Hang Zou ◽  
...  

2019 ◽  
Vol 490 (4) ◽  
pp. 4858-4876
Author(s):  
J F Mahlmann ◽  
T Akgün ◽  
J A Pons ◽  
M A Aloy ◽  
P Cerdá-Durán

ABSTRACT We present 3D force-free electrodynamics simulations of magnetar magnetospheres that demonstrate the instability of certain degenerate, high energy equilibrium solutions of the Grad–Shafranov equation. This result indicates the existence of an unstable branch of twisted magnetospheric solutions and allows us to formulate an instability criterion. The rearrangement of magnetic field lines as a consequence of this instability triggers the dissipation of up to 30 per cent of the magnetospheric energy on a thin layer above the magnetar surface. During this process, we predict an increase of the mechanical stresses on to the stellar crust, which can potentially result in a global mechanical failure of a significant fraction of it. We find that the estimated energy release and the emission properties are compatible with the observed giant flare events. The newly identified instability is a candidate for recurrent energy dissipation, which could explain part of the phenomenology observed in magnetars.


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