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arXiv 1704.05040hep-thastro-ph.HEhep-ph
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常场中单圈旋量传播子的单粒子可约贡献

One-particle reducible contribution to the one-loop spinor propagator in a constant field

Naser Ahmadiniaz, Fiorenzo Bastianelli, Olindo Corradini, James P. Edwards, Christian Schubert

摘要:

扩展吉斯和卡尔布斯坦在欧拉-海森堡拉格朗日量上的工作,最近已经表明,在恒定电磁场中的带电标量粒子的单圈传播子除了充分研究的不可约贡献外,还有一个粒子可约贡献。在这里,我们进一步推广这一结果旋量的情况下,并找到相同的关系之间的可约项,树级传播和一圈欧拉-海森堡拉格朗日标量的情况下。我们的演示使用了一种新的世界线路径积分表示的光子打扮旋量传播子在恒定的电磁场背景。

英文摘要:

Extending work by Gies and Karbstein on the Euler-Heisenberg Lagrangian, it has recently been shown that the one-loop propagator of a charged scalar particle in a constant electromagnetic field has a one-particle reducible contribution in addition to the well-studied irreducible one. Here we further generalize this result to the spinor case, and find the same relation between the reducible term, the tree-level propagator and the one-loop Euler-Heisenberg Lagrangian as in the scalar case. Our demonstration uses a novel worldline path integral representation of the photon-dressed spinor propagator in a constant electromagnetic field background.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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