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arXiv · 1005.4485

Resistive Magnetohydrodynamic Simulations of Relativistic Magnetic Reconnection

Seiji Zenitani·Michael Hesse·Alex Klimas
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Abstract

Resistive relativistic magnetohydrodynamic (RRMHD) simulations are applied to investigate the system evolution of relativistic magnetic reconnection. A time-split Harten--Lan--van Leer method is employed. Under a localized resistivity, the system exhibits a fast reconnection jet with an Alfvénic Lorentz factor inside a narrow Petschek-type exhaust. Various shock structures are resolved in and around the plasmoid such as the post-plasmoid vertical shocks and the "diamond-chain" structure due to multiple shock reflections. Under a uniform resistivity, Sweet--Parker-type reconnection slowly evolves. Under a current-dependent resistivity, plasmoids are repeatedly formed in an elongated current sheet. It is concluded that the resistivity model is of critical importance for RRMHD modeling of relativistic magnetic reconnection.

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Seiji Zenitani, Michael Hesse, Alex Klimas. 2010-06-04. Resistive Magnetohydrodynamic Simulations of Relativistic Magnetic Reconnection. https://doi.org/10.1088/2041-8205%2F716%2F2%2Fl214

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