1103/PhysRevLett.78.424. 引文使用过时参数coauthors (帮助) For a derivation of the vacuum polarization in QED, see section 7.5 of M.E. Peskin and D.V. Schroeder, An Introduction
and Confirmation Bias in Media Use, and its Consequences for Political Polarization. https://gupea.ub.gu.se/handle/2077/67023. 2020-12-17 [2023-12-20].