Pulsar Emission and Force-Free Electrodynamics | Zendy

Andrei Gruzinov | Zendy

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Pulsar Emission and Force-Free Electrodynamics

Author(s) -

Andrei Gruzinov

Publication year - 2007

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/519839

Subject(s) - pulsar , physics , magnetic field , current (fluid) , crab pulsar , quantum electrodynamics , electromagnetic field , astrophysics , classical mechanics , quantum mechanics , thermodynamics

Pulsar emission should primarily come from the magnetic separatrix...Combining theory and observations, we show that force-free electrodynamics(FFE) gives an accurate description of the large-scale electromagnetic field inthe magnetospheres of Crab-like pulsars. A robust prediction of FFE is theexistence and stability of a singular current layer on the magnetic separatrix.We argue that most of the observed pulsar emission comes from this singularcurrent layer.Comment: 6 page

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