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|Abstract:||We perform "first-principles" relativistic particle-in-cell simulations of aligned pulsar magnetosphere. We allow free escape of particles from the surface of a neutron star and continuously populate the magnetosphere with neutral pair plasma to imitate pair production. As pair plasma supply increases, we observe the transition from a charge-separated "electrosphere" solution with trapped plasma and no spin-down to a solution close to the ideal force-free magnetosphere with electromagnetically dominated pulsar wind. We calculate the magnetospheric structure, current distribution, and spin-down power of the neutron star. We also discuss particle acceleration in the equatorial current sheet.|
|Electronic Publication Date:||20-Apr-2014|
|Citation:||Philippov, AA, Spitkovsky, A. (2014). AB initio pulsar magnetosphere: Three-dimensional particle-in-cell simulations of axisymmetric pulsars. Astrophysical Journal Letters, 785 (2), 10.1088/2041-8205/785/2/L33|
|Type of Material:||Journal Article|
|Journal/Proceeding Title:||Astrophysical Journal Letters|
|Version:||Final published version. Article is made available in OAR by the publisher's permission or policy.|
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