Nature of coherent radio emission from pulsars

D Mitra - Journal of Astrophysics and Astronomy, 2017 - Springer
The pulsar radio emission originates from regions below 10% of the light cylinder radius.
This requires a mechanism where coherent emission is excited in relativistic pair plasma …

Evidence for coherent curvature radiation in PSR J1645− 0317 with disordered distribution of polarization position angle

D Mitra, GI Melikidze, R Basu - Monthly Notices of the Royal …, 2023 - academic.oup.com
The diverse polarization properties in pulsars are in conflict with applying a unique emission
mechanism to the population. The polarization position angle (PPA) traverse in most pulsars …

Meterwavelength single-pulse polarimetric emission survey. III. The phenomenon of nulling in pulsars

R Basu, D Mitra, GI Melikidze - The Astrophysical Journal, 2017 - iopscience.iop.org
A detailed analysis of nulling was conducted for the pulsars studied in the Meterwavelength
Single-pulse Polarimetric Emission Survey. We characterized nulling in 36 pulsars including …

Pulsar emission beam geometry of radio broad-band Arecibo sources

T Olszanski, J Rankin… - Monthly Notices of the …, 2022 - academic.oup.com
We present radio pulsar emission beam analyses and models with the primary intent of
examining pulsar beam geometry and physics over the broadest band of radio frequencies …

The Thousand-Pulsar-Array programme on MeerKAT–XIV. On the high linearly polarized pulsar signals

S Johnston, D Mitra, MJ Keith, LS Oswald… - Monthly Notices of …, 2024 - academic.oup.com
The S-shaped swing of the linear polarization position angle (PPA) observed in many
pulsars can be interpreted by the rotating vector model (RVM). However, efforts to fit the …

Arecibo 4.5/1.4/0.33-GHz polarimetric single-pulse emission survey

TEE Olszanski, D Mitra… - Monthly Notices of the …, 2019 - academic.oup.com
We report on an Arecibo 4.5-GHz polarimetric single-pulse survey of the brightest pulsars at
high frequency within its sky. The high-frequency profiles are accompanied by a collection of …

5.0 GHz TMRT observations of 71 pulsars

RS Zhao, Z Yan, XJ Wu, ZQ Shen… - The Astrophysical …, 2019 - iopscience.iop.org
We present integrated pulse profiles at 5 GHz for 71 pulsars, including eight millisecond
pulsars (MSPs), obtained using the Shanghai Tian Ma Radio Telescope. Mean flux densities …

Relativistic charge solitons created due to non-linear Landau damping: a candidate for explaining coherent radio emission in pulsars

T Lakoba, D Mitra, G Melikidze - Monthly Notices of the Royal …, 2018 - academic.oup.com
ABSTRACT A potential resolution for the generation of coherent radio emission in pulsar
plasma is the existence of relativistic charge solitons, which are solutions of non-linear …

Meterwavelength Single-pulse Polarimetric Emission Survey. IV. The Period Dependence of Component Widths of Pulsars

A Skrzypczak, R Basu, D Mitra… - The Astrophysical …, 2018 - iopscience.iop.org
The core component width in normal pulsars, with periods (P)> 0.1 s, measured at the half-
power point at 1 GHz, has a lower boundary line (LBL) that closely follows the P− 0.5 scaling …

No pulsar left behind–I. Timing, pulse-sequence polarimetry and emission morphology for 12 pulsars

C Brinkman, PCC Freire, J Rankin… - Monthly Notices of the …, 2018 - academic.oup.com
In this paper, we study a set of 12 pulsars that previously had not been characterized. Our
timing shows that eleven of them are 'normal'isolated pulsars, with rotation periods between …