2011/06/03 by Naohiro Kanda, Kanda, Naohiro
Chemistry · Earth and Planetary Sciences · Physics and Astronomy · #Atmospheric Ozone and Climate #Atomic and Subatomic Physics Research #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Spectroscopy and Laser Applications #hep-ph
paper · pdf · doi:10.48550/arxiv.1106.0592
9 pages, 3 figures
arxiv created 2011/06/03 · openalex publication_date 2011/06/03 · arxiv updated 2015/03/19 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
For a long time, it is believed that the light by light scattering is described properly by the Lagrangian density obtained by Heisenberg and Euler. Here, we present a new calculation which is based on the modern field theory technique. It is found that the light-light scattering is completely different from the old expression. The reason is basically due to the unphysical condition (gauge condition) which was employed by the QED calcualtion of Karplus and Neumann. The correct cross section of light-light scattering at low energy of (\fracωm ≪ 1) can be written as (dσ)/(dΩ)=(1)/((6π)2)\fracα4 (2ω)2(3+2cos2θ+cos4θ).