QED energy-momentum trace as a force in astrophysics

Lance Labun, Johann Rafelski

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

We study the properties of the trace T of the QED energy-momentum tensor in the presence of quasi-constant external electromagnetic fields. We exhibit the origin of T in the quantum nonlinearity of the electromagnetic theory. We obtain the quantum vacuum fluctuation-induced interaction of a particle with the field of a strongly magnetized compact stellar object.

Original languageEnglish (US)
Pages (from-to)133-138
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume687
Issue number2-3
DOIs
StatePublished - Apr 12 2010

Keywords

  • Casimir modified Lorentz force
  • Conformal symmetry breaking
  • Euler-Heisenberg nonlinear electrodynamics
  • Supercritical stellar magnetic field

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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