The pulsar gamma-ray emission from the high-resolution dissipative magnetospheres

Abstract

The pulsar light curves and energy spectra are explored in dissipative pulsar magnetospheres with the Aristotelian electrodynamics (AE), where particle acceleration is fully balanced with radiation reaction. The AE magnetospheres with non-zero pair multiplicity are computed by a pseudo-spectral method in the co-moving frame. The dissipative region near the current sheet outside the LC is accurately captured by the high-resolution simulation. The pulsar light curves and spectra are computed by the test particle trajectory method including the influence of both the consistent accelerating electric field and radiation reaction. Our results can generally reproduce the double-peak light curves and the GeV cut-off energy spectra in agreement with the Fermi observations for the pair multiplicity $\kappa \gtrsim 1$.

Accepted by ApJ. This version has some corrections and additions

References in corpus (12)

• Ab-initio pulsar magnetosphere: three-dimensional particle-in-cell simulations of oblique pulsars
• Particle acceleration in axisymmetric pulsar current sheets
• Electrodynamics of axisymmetric pulsar magnetosphere with electron-positron discharge: a numerical experiment
• Three-dimensional numerical simulations of the pulsar magentoshere: Preliminary results
• Dissipation, Energy Transfer, and Spindown Luminosity in 2.5D PIC Simulations of the Pulsar Magnetosphere
• Testing dissipative magnetosphere model light curves and spectra with FERMI pulsars
• Pulsar gamma-ray emission in the radiation reaction regime
• Modeling gamma-ray light curves with more realistic pulsar magnetospheres
• Are there two types of pulsars?
• Three-dimensional dissipative pulsar magnetospheres with Aristotelian electrodynamics
• Exploring the energy-dependent radiation properties in dissipative magnetospheres with Fermi pulsars
• Magnetic absorption of VHE photons in the magnetosphere of the Crab pulsar