Microtexture in the pulsar radio emission zone

Abstract

This paper completes an analysis of a non-linear mechanism for pulsar radio radiation. This non-linear process results from the evolution of relativistic two-stream instability in the pulsar magnetosphere, which gives rise to strong Langmuir turbulence. There are stable Langmuir soliton-like solutions, called Langmuir microstructures, which may form a lattice in the magnetosphere. These Langmuir microstructures naturally produce three different types of radiation. The first is direct radiation of the microstructures themselves when perturbed in a direction perpendicular to the magnetic field lines