Pulsar death line revisited -- II. 'The death valley'
V. S. Beskin, A. Yu. Istomin

TL;DR
This paper investigates the factors influencing the width of the pulsar 'death valley' in the P-Ṗ diagram, showing that considering various parameters explains the observed pulsar distribution.
Contribution
It provides a detailed analysis of parameters affecting the pulsar death line, incorporating effects like neutron star properties and particle energy distributions.
Findings
The 'death valley' width can be explained by multiple physical parameters.
All observed pulsars are contained within the theoretically predicted 'death valley'.
Considering all effects broadens the death line sufficiently for dipole magnetic fields.
Abstract
In this paper, which is the second in a series of papers, we analyse what parameters can determine the width of the radio pulsar 'death valley' in the - diagram. Using exact expression for the maximum potential drop, which can be realised over magnetic polar caps and the corresponding threshold for the secondary plasma production determined in Paper I, we analyse in detail the observed distribution of pulsars taking into account all the possible parameters (radius and moment of inertia of a neutron star , high-energy tail in the -quanta energy distribution giving rise to secondary particles, etc.) which could broaden 'the death line'. We show that the consistent allowance for all these effects leads to a sufficiently wide of 'the death valley' containing all the observed pulsars even for dipole magnetic field of a neutron star.
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Taxonomy
TopicsPulsars and Gravitational Waves Research · Gamma-ray bursts and supernovae · Superconducting Materials and Applications
