论文标题
在有限温度下真空切伦科夫辐射
Vacuum Cherenkov radiation at finite temperature
论文作者
论文摘要
在本文中，我们检查了真空彻伦科夫辐射在洛伦兹和CPT侵略电动力学中的热效应。我们计算热场动力学方法中Cherenkov辐射率的热贡献。由于所考虑的模型具有一致的规范量化，还可以满足其真空过程的实现，因此它是在有限温度下实施该研究的理想候选者。我们详细评估了电荷的瞬时能量损失速率，并表明在非常高的温度下，辐射率显着改变。有趣的是，我们进一步观察到，即使允许该过程进行运动，辐射速率即使温度进入无穷大。
In this paper we examine the thermal effects of the vacuum Cherenkov radiation in a Lorentz- and CPT-violating electrodynamics. We compute the thermal contribution to the Cherenkov radiation rate within the Thermofield Dynamics approach. Since the model under consideration possess a consistent canonical quantization and also fulfils the physical constraints in order to this vacuum process to happen, it is a perfect candidate to implement the study at finite temperature. We evaluate in details the instantaneous rate of energy loss for a charge, and show that the radiation rate is significantly modified at very high temperatures. Intriguingly, we further observe that when the temperature goes to infinity the radiation rate goes to zero even if the process is kinematically allowed.
