One-loop correction to the photon velocity in Lorentz-violating QED

One-loop correction to the photon velocity in Lorentz-violating QED
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洛伦兹破坏 QED 中光子速度的单环校正

DOI:
10.1103/physrevd.97.125016
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发表时间:
2017
期刊:
影响因子:
5
通讯作者:
P. Satunin
P. Satunin
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
P. Satunin

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在一个简单的违反洛伦兹量子电动力学模型中,我们计算了所有阶违反洛伦兹参数下光子偏振算子的有限动量依赖部分。我们将单粒子可约图求和为改进的光子传播子,并确定了物理光子色散关系作为其极点的位置。光子色散关系及其群速度获得与动量相关的单回路辐射校正。我们从光子计时观测中约束了重电荷费米子(μ子,$\tau$-轻子,顶夸克)的洛伦兹违反参数。
We calculate a finite momentum-dependent part of the photon polarization operator in a simple model of Lorentz-violating quantum electrodynamics nonperturbatively at all orders of Lorentz-violating parameters. We sum one-particle reducible diagrams into the modified photon propagator, and determine the physical photon dispersion relation as the location of its pole. The photon dispersion relation, as well as its group velocity, acquires the one-loop momentum-dependent radiative correction. We constrain the Lorentz-violating parameters for heavy charged fermions (muon, $\tau$-lepton, top-quark) from the photon timing observations.
弯曲时空的折射率 II:QED、彭罗斯极限和黑洞
DOI: 10.1088/1126-6708/2009/08/089
发表时间: 2009
影响因子: 5.4
作者:
Hollowood T
通讯作者: Hollowood T