Astronomy and Astrophysics – Astrophysics
Scientific paper
1998-08-06
Astronomy and Astrophysics
Astrophysics
accepted for publication in ApJ Letters; 4 pages, no figures
Scientific paper
10.1086/311610
We consider the widespread assumption that coherent pulsar radio emission is based on extended pair production leading to plasma densities highly exceeding the Goldreich-Julian density. We show as an example that the observed low frequency (160 MHz) emission of the Crab pulsar is incompatible to the model of extended pair production. Our results rule out significant pair production if a plasma process is responsible for coherence and the radio emission originates from inside the light cylinder.
Hoensbroech Alexis von
Jessner Axel
Kunzl Thomas
Lesch Harald
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