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Constraining vacuum gap models of pulsar radio emission using the intensity modulation index
Janusz Gil, Fredrick A. Jenet
Recent observations suggest that the level of pulse-to-pulse intensity modulation observed in a given radio pulsar may depend on its period and period derivative. Such a ``modulati…
The intrinsic intensity modulation of PSR B1937+21 at 1410 MHz
Fredrick A. Jenet, Janusz Gil
The single-pulse properties of the millisecond radio pulsar PSR B1937+21 are studied in the 1410 MHz radio band. Aside from occasional ``giant pulses'' occurring in restricted regi…
Curvature radiation in pulsar magnetospheric plasma
Janusz Gil, Yuri Lyubarsky, George I. Melikidze
We consider the curvature radiation of the point-like charge moving relativistically along curved magnetic field lines through a pulsar magnetospheric electron-positron plasma. We…
The braking indices in pulsar emission models
F. Wu, R. X. Xu, Janusz Gil
Using the method proposed in a previous paper, we calculate pulsar braking indices in the models with torque contributions from both inner and outer accelerating regions, assuming…
Using the Intensity Modulation Index to Test Pulsar Radio Emission Models
F. A. Jenet, J. A. Gil
This letter explores the possibility of testing pulsar radio emission models by observing pulse-to-pulse intensity modulation. It is shown that a relationship between a pulsar's pe…
Drifting subpulses and inner acceleration regions in radio pulsars
Janusz Gil, George I. Melikidze, Ulrich Geppert
The classical vacuum gap model of Ruderman & Sutherland, in which spark-associated subbeams of subpulse emission circulate around the magnetic axis due to the EB drift, provides a…