Are supernova explosions driven by magnetic springs

Details Are supernova explosions driven by magnetic springs Are supernova explosions driven by magnetic springs

Jun 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976natur.261..673k&link_type=abstract

Nature, vol. 261, June 24, 1976, p. 673, 674.

Physics

29

Magnetic Effects, Pressure Effects, Stellar Rotation, Supernovae, Implosions, Pulsars, Stellar Structure, Torque

Scientific paper

It is suggested that magnetic torques between an imploded magnetic core and a surrounding massive shell can explain both the radial momentum balance of supernova explosions and the small spin rates of pulsars at birth. The extremely large rotational energy of the imploded core is tapped by a magnetic spring (Leblanc and Wilson, 1970). Energy in excess of that required to drive the supernova motion heats the plasma by shear viscosity and field line reconnection. The generation of magnetic flux by differential rotation operates only until some volume beyond the velocity-of-light radius is evacuated, when the ordinary pulsar braking mechanism takes over.

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