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Cruz, F., Grismayer, T., Torres, R., Chen, A. Y., Spitkovsky, A., Fonseca, R. A....Silva, L. O. (2024). Particle-in-cell simulations of pulsar magnetospheres: Transition between electrosphere and force-free regimes. Astronomy and Astrophysics. 690
F. Cruz et al., "Particle-in-cell simulations of pulsar magnetospheres: Transition between electrosphere and force-free regimes", in Astronomy and Astrophysics, vol. 690, 2024
@article{cruz2024_1782060828616,
author = "Cruz, F. and Grismayer, T. and Torres, R. and Chen, A. Y. and Spitkovsky, A. and Fonseca, R. A. and Silva, L. O.",
title = "Particle-in-cell simulations of pulsar magnetospheres: Transition between electrosphere and force-free regimes",
journal = "Astronomy and Astrophysics",
year = "2024",
volume = "690",
number = "",
doi = "10.1051/0004-6361/202347926",
url = "https://www.aanda.org/"
}
TY - JOUR TI - Particle-in-cell simulations of pulsar magnetospheres: Transition between electrosphere and force-free regimes T2 - Astronomy and Astrophysics VL - 690 AU - Cruz, F. AU - Grismayer, T. AU - Torres, R. AU - Chen, A. Y. AU - Spitkovsky, A. AU - Fonseca, R. A. AU - Silva, L. O. PY - 2024 SN - 0004-6361 DO - 10.1051/0004-6361/202347926 UR - https://www.aanda.org/ AB - Aims. Global particle-in-cell (PIC) simulations of pulsar magnetospheres are performed with volume-, surface-, and pair-production-based plasma injection schemes to systematically investigate the transition between electrosphere and force-free pulsar magnetospheric regimes. Methods. We present a new extension of the PIC code OSIRIS that can be used to model pulsar magnetospheres with a two-dimensional axisymmetric spherical grid. The subalgorithms of the code and thorough benchmarks are presented in detail, including a new first-order current deposition scheme that conserves charge to machine precision. Results. We show that all plasma injection schemes produce a range of magnetospheric regimes. Active solutions can be obtained with surface and volume injection schemes when using artificially large plasma-injection rates, and with pair-production-based plasma injection for sufficiently large separation between kinematic and pair-production energy scales. ER -
English