Maxwell-Chern-Simons量子电动力学中单圈水平的离壳格林函数
Off-shell Green functions at one-loop level in Maxwell-Chern-Simons quantum electrodynamics
摘要:
在任意协变规范下的Maxwell-Chern-Simons量子电动力学中,利用费米子和光子的四分量旋量和奇偶奇质量项,导出了单圈水平的离壳光子传播子和费米子-光子顶点.我们提出了我们的结果使用的基础上的两个,三个和四个点积分,其中一些不知道以前在文献中。这些积分在任意的时空维度进行评估,使我们重现在一定的限制下较早得出的结果。
英文摘要:
We derive the off-shell photon propagator and fermion-photon vertex at one-loop level in Maxwell-Chern-Simons quantum electrodynamics in arbitrary covariant gauge, using four-component spinors with parity-even and parity-odd mass terms for both fermions and photons. We present our results using a basis of two, three and four point integrals, some of them not known previously in the literature. These integrals are evaluated in arbitrary space-time dimensions so that we reproduce results derived earlier under certain limits.
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