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Astrophysics > High Energy Astrophysical Phenomena

arXiv:1503.03867 (astro-ph)
[Submitted on 12 Mar 2015 (v1), last revised 6 Apr 2015 (this version, v2)]

Title:QED Plasma and Magnetars

Authors:Marat Freytsis, Samuel E. Gralla
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Abstract:Magnetars are surrounded by diffuse plasma in magnetic field strengths well above the quantum electrodynamic critical value. We derive equations of "quantum force-free electrodynamics" for this plasma using effective field theory arguments. We argue that quantum effects do not modify the large scale structure of the magnetosphere, and in particular that the spin-down rate does not deviate significantly from the classical result. We provide definite evolution equations that can be used to explore potentially important small-scale corrections, such as shock formation, which has been proposed as a mechanism for both burst and quiescent emission from magnetars.
Comments: 5 pages, v2: references added, formatting tweaked
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph); Plasma Physics (physics.plasm-ph)
Cite as: arXiv:1503.03867 [astro-ph.HE]
  (or arXiv:1503.03867v2 [astro-ph.HE] for this version)
  https://doi.org/10.48550/arXiv.1503.03867
Related DOI: https://doi.org/10.1088/1475-7516/2016/05/042

Submission history

From: Marat Freytsis [view email]
[v1] Thu, 12 Mar 2015 20:00:12 UTC (15 KB)
[v2] Mon, 6 Apr 2015 19:44:20 UTC (15 KB)
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