title: Pulsar radiation mechanisms.
abstract: Gamma rays produced by electrons accelerated in the strong magnetic fields of neutron stars annihilate to electron-positron pairs. This leads to a two-stream situation, which results in bunching and coherent radio emission.
authors.affiliation: Institute for Plasma Research, Stanford University, California, USA.
authors.forename: P A
authors.initials: PA
authors.lastname: Sturrock