Finite-Field QED Corrections to Vacuum Birefringence and Magnetar Polarization Transport

arXiv:2607.06422 · astro-ph.HE, hep-ph · Submitted 2026-07-07 · Read on arXiv

S. Abbassi, F. A. Chishtie, S. R. Valluri

astro-ph.HE, hep-ph

Submitted: 2026-07-07

Comments: e.g. 25 pages, 5 figures, Accepted for Publication in the European Physical Journal C

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Decoupling — 4× in this paper · explained in 2 episodes
• Accuracy — 3× in this paper · explained in 1 episode
• Consistency — 3× in this paper · explained in 3 episodes
• Verification — 3× in this paper · explained in 2 episodes
• Anisotropy — 2× in this paper · explained in 3 episodes
• Robustness — 2× in this paper · explained in 5 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• alpha — 1× in this paper · explained in 1 episode

Sources

• Heisenberg-Euler Effective Lagrangians : Basics and Extensions
• Vacuum birefringence and the polarized X-ray emission from a radio magnetar
• Vacuum Birefringence in a Supercritical Magnetic Field and a Subcritical Electric Field
• The long quest for vacuum birefringence in magnetars: 1E 1547.0-5408 and the elusive smoking gun
• Detectability of Magnetar-Induced Vacuum Birefringence with IXPE and eXTP

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