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arXiv 2005.04637hep-th
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没有辐射修正的卡罗尔场Jackiw项超过一圈秩序

No radiative corrections to the Carroll-Field-Jackiw term beyond one-loop order

L. C. T. Brito, J. C. C. Felipe, A. Yu. Petrov, A. P. Baêta Scarpelli

摘要:

我们明确地证明了没有量子修正的Carroll-Field-Jackiw(CFJ)项超出一个循环内的洛伦兹破缺CPT奇扩展的QED。证明在量子计算的两个规定内成立,费米子扇区{}中的轴矢量被视为费米子场的精确传播子中的微扰或贡献。

英文摘要:

We demonstrate explicitly the absence of the quantum corrections to the Carroll-Field-Jackiw (CFJ) term beyond one-loop within the Lorentz-breaking CPT-odd extension of QED. The proof holds within two prescriptions of quantum calculations, with the axial vector in the fermion sector {}treated either as a perturbation or as a contribution in the exact propagator of the fermion field.

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