Self-consistent CRE evolution in RMHD simulations produces distinct spectral-index gradients that distinguish compact AGN jets from winds even when morphology is ambiguous.
Particle Acceleration in Pulsar Wind Nebulae: PIC modelling
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abstract
We discuss the role of particle-in-cell (PIC) simulations in unveiling the origin of the emitting particles in PWNe. After describing the basics of the PIC technique, we summarize its implications for the quiescent and the flaring emission of the Crab Nebula, as a prototype of PWNe. A consensus seems to be emerging that, in addition to the standard scenario of particle acceleration via the Fermi process at the termination shock of the pulsar wind, magnetic reconnection in the wind, at the termination shock and in the Nebula plays a major role in powering the multi-wavelength signatures of PWNe.
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Non-thermal emission in jets and winds: Expected emission and spectral index distributions
Self-consistent CRE evolution in RMHD simulations produces distinct spectral-index gradients that distinguish compact AGN jets from winds even when morphology is ambiguous.