论文标题
紧凑型QED:光子传播器,限制和阳性侵犯纯仪表理论
Compact QED: the photon propagator, confinement and positivity violation for the pure gauge theory
论文作者
论文摘要
使用大晶格重新审视纯量规理论的晶格Landau仪表光子传播器。对于限制的情况,我们表明它具有相关的线性增长潜力,它具有质量间隙,与单孔的存在有关,其光谱函数违反了阳性。在解义的阶段,我们的模拟表明在热力学极限中恢复了自由场理论。
The lattice Landau gauge photon propagator for the pure gauge theory is revisited using large lattices. For the confined case we show that it has an associated linearly growing potential, it has a mass gap, that is related to the presence of monopoles, and its spectral function violates positivity. In the deconfined phase, our simulations suggest that a free field theory is recovered in the thermodynamic limit.