Electron Self-Energy in Strong Magnetic Field: Summation of Double Logarithmic Terms
V. P. Gusynin, A. V. Smilga
Abstract
We study the electron self--energy in a strong magnetic field when the parameter η (α/2π) 2 (eB/m20) 1 and explore the transition between the perturbative regime η<<1 and the nonperturbative massless QED regime η>>1 where chiral symmetry is broken spontaneously and electrons acquire the dynamically induced mass.
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