恒定均匀电磁场中张量费米子电流诱导的环幅值

A. Parkhomenko, A. Dobrynina, I. Karabanov, L. Vassilevskaya
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引用次数: 0

摘要

本文以矢量和张量费米子电流的非对角相关器为例,讨论了恒定均匀磁场对两点单回路振幅的修正。找到了该相关器的交叉场极限。张量电流是泡利拉格朗日量的费米子部分,与费米子通过异常磁矩的电磁相互作用有关。在假设这种相互作用进入有效QED拉格朗日量的前提下,计算了对光子偏振算子线性的贡献。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Loop Amplitudes Induced by Tensor Fermionic Current in Constant Homogeneous Electromagnetic Fields
The non-diagonal correlator of vector and tensor fermionic currents is considered as the concrete example of the two-point one-loop amplitudesmodified by a constant homogeneousmagnetic field. The crossed-field limit of this correlator is found. The tensor current is a fermionic part of the Pauli Lagrangian relevant for the electromagnetic interaction of fermions through the anomalous magnetic moment. Under assumption that this interaction enters the effective QED Lagrangian, the contribution to the photon polarization operator linear in AMM is calculated.
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