经典电动力学、等效原理和宇宙相互作用的基础：一个简短的解释和更新
Foundations of Classical Electrodynamics, Equivalence Principle and Cosmic Interactions: A Short Exposition and an Update
摘要：
我们将在第一届LeCosPA研讨会上探讨电磁学的基础。为了做到这一点，经过一些审查（对光子质量的约束等），我们采用两种方法。第一个是制定一个参数化后麦克斯韦（PPM）框架，以包括QED校正和赝标光子相互作用。PPM框架包括基于连接方法的统一电磁学-重力理论的最低修正。当考虑电磁-重力耦合时，它也可能与由广义不确定原理（GUP）实现的校正重叠。我们讨论各种真空双折射实验-正在进行和建议-来测量这些参数。第二种方法--chi-g框架是研究重力中的电磁力以及各种实验和观察来确定其经验基础。SME（标准模型扩展）和SMS（标准模型补充）在其光子部分与chi-g框架重叠。我们发现，基础是坚实的，唯一的例外是一个潜在的可能的赝标量光子相互作用。我们讨论了它的实验限制，并期待更多的未来实验。
英文摘要：
We look at the foundations of electromagnetism in this 1st LeCosPA Symposium. For doing this, after some review (constraints on photon mass etc.), we use two approaches. The first one is to formulate a Parametrized Post-Maxwellian (PPM) framework to include QED corrections and a pseudoscalar photon interaction. PPM framework includes lowest corrections to unified electromagnetism-gravity theories based on connection approach. It may also overlap with corrections implemented from generalized uncertainty principle (GUP) when electromagnetism-gravity coupling is considered. We discuss various vacuum birefringence experiments - ongoing and proposed - to measure these parameters. The second approach - the chi-g framework is to look at electromagnetism in gravity and various experiments and observations to determine its empirical foundation. The SME (Standard Model Extension) and SMS (Standard Model Supplement) overlap with the chi-g framework in their photon sector. We found that the foundation is solid with the only exception of a potentially possible pseudoscalar-photon interaction. We discussed its experimental constraints and look forward to more future experiments.
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