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Ideal Magnetohydrodynamic Solution to the σ Problem in Crab‐like Pulsar Winds and General Asymptotic Analysis of Magnetized Outflows

Ideal Magnetohydrodynamic Solution to the σ Problem in Crab‐like Pulsar Winds and General Asymptotic Analysis of Magnetized Outflows

Using relativistic, steady, axisymmetric, ideal magnetohydrodynamics (MHD), we analyze the super-Alfvénic regime of a pulsar wind by solving the momentum equation along the flow, as well as in the transfield direction. Employing a self-similar model, we demonstrate that ideal MHD can account for the full acceleration from high (≫1) to …