Vacuum Polarization Tensor for QED in the Light Front Gauge

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2012-05-01

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Springer Wien

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The use of light front coordinates in quantum field theories (QFT) always brought some problems and controversies. In this work we explore some aspects of its formalism with respect to the employment of dimensional regularization in the computation of the photon's self-energy at the one-loop level and how the fermion propagator has an important role in the outcoming results.

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Few-body Systems. Wien: Springer Wien, v. 52, n. 3-4, p. 443-448, 2012.