The modelling of pulsar magnetosphere and radiation
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| Format: | Preprint |
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2024
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| _version_ | 1866914709240807424 |
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| author | Cao, Gang Yang, Xiongbang Zhang, Li |
| author_facet | Cao, Gang Yang, Xiongbang Zhang, Li |
| contents | We review the recent advances in the pulsar high-energy $γ$-ray observation and the electrodynamics of the pulsar magnetospheres from the early vacuum model to the recent plasma-filled models by the numerical simulations. The numerical simulations have made the significant progresses toward the self-consistent modeling of the plasma-filled magnetosphere by including the particle acceleration and radiation. The current numerical simulations confirm a near force-free magnetosphere with the particle acceleration in the separatrix near the light cylinder and the current sheet outside the light cylinder, which can provide a good match to the recent high-energy $γ$-ray observations. The modeling of the combined multi-wavelength light curves, spectra, and polarization are expected to provide a stronger constrain on the geometry of the magnetic field lines, the location of the particle acceleration and the emission region, and the emission mechanism in the pulsar magnetospheres. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_06180 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The modelling of pulsar magnetosphere and radiation Cao, Gang Yang, Xiongbang Zhang, Li High Energy Astrophysical Phenomena We review the recent advances in the pulsar high-energy $γ$-ray observation and the electrodynamics of the pulsar magnetospheres from the early vacuum model to the recent plasma-filled models by the numerical simulations. The numerical simulations have made the significant progresses toward the self-consistent modeling of the plasma-filled magnetosphere by including the particle acceleration and radiation. The current numerical simulations confirm a near force-free magnetosphere with the particle acceleration in the separatrix near the light cylinder and the current sheet outside the light cylinder, which can provide a good match to the recent high-energy $γ$-ray observations. The modeling of the combined multi-wavelength light curves, spectra, and polarization are expected to provide a stronger constrain on the geometry of the magnetic field lines, the location of the particle acceleration and the emission region, and the emission mechanism in the pulsar magnetospheres. |
| title | The modelling of pulsar magnetosphere and radiation |
| topic | High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2403.06180 |