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arXiv 1302.3522hep-th
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相干态基对光阵面QED中的费米子自能量修正

Fermion Self Energy Correction in Light-Front QED using Coherent State Basis

Jai D. More, Anuradha Misra

摘要:

讨论了费曼规范下光锋量子电动力学(LPEED)中轻子质量重整化的红外发散。我们考虑Pauli-Villars场的LCDED,并利用老式的时间有序微扰理论(TOPT),证明了我们早先关于相干态基中直到$O(e^4)$的真红外发散的抵消的结果在Feynman规范中也成立.

英文摘要:

We discuss IR divergences in lepton mass renormalization in Light-Front Quantum Electrodynamics (LFQED) in Feynman gauge. We consider LFQED with Pauli-Villars fields and using old-fashioned time ordered perturbation theory (TOPT), we show that our earlier result regarding cancellation of true IR divergences upto $O(e^4)$ in coherent state basis holds in Feynman gauge also.

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