One-loop finite temperature effective potential in QED in the worldline approach

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The one-loop finite temperature effective potential of QED in an external electromagnetic field is obtained using the worldline method. The general structure of the temperature dependent part of the effective action in an arbitrary external inhomogeneous magnetic field is established. The two-derivative effective action of spinor and scalar QED in a static magnetic background at T ≠ 0 is derived.

Original languageEnglish (US)
Pages (from-to)313-318
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number1-4
StatePublished - Nov 26 1998
Externally publishedYes



  • Quantum electrodynamics
  • Thermal effective action
  • Worldline method

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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