The magnetorotational and Tayler instabilities in the pulsar magnetosphere

TL;DR

This paper investigates magnetohydrodynamic processes, specifically the magnetorotational and Tayler instabilities, in pulsar magnetospheres to understand their role in magnetic structure formation and emission variability.

Contribution

It provides a detailed analysis of MHD wave properties and instabilities in pulsar magnetospheres, highlighting their potential impact on pulsar emission variability.

Findings

Identification of MHD wave instabilities in pulsar magnetospheres

Link between instabilities and magnetic structure formation

Implications for short-term pulsar emission variability

Abstract

The magnetospheres around neutron stars should be very particular because of their strong magnetic field and rapid rotation. A study of the pulsar magnetospheres is of a crucial importance since it is the key issue to understand how energy inflow to the exterior is produced. In this paper, I discuss magnetohydrodynamic processes in the pulsar magnetosphere. I consider in detail the properties of magnetohydrodynamic waves that can exist in the magnetosphere and their instabilities.These instabilities lead to formation of magnetic structures and can be responsible for a short-term variability ofthe pulsar emission.