规范理论中的无激波传播
Shock-Free Wave Propagation in Gauge Theories
摘要：
我们提出了无质量场的无激波传播要求。首先，我们简要地讨论了如何“完全例外”的方法，最初开发的双曲系统在1+1维的特性研究，可以推广到更高的维度，并用于描述传播没有出现冲击，沿波的特征流保持平行。然后，我们研究标量，矢量，矢量标量和重力模型的要求，并在每种情况下，物理上可接受的行动的特点。
英文摘要：
We present the shock-free wave propagation requirements for massless fields. First, we briefly argue how the "completely exceptional" approach, originally developed to study the characteristics of hyperbolic systems in 1+1 dimensions, can be generalized to higher dimensions and used to describe propagation without emerging shocks, with characteristic flow remaining parallel along the waves. We then study the resulting requirements for scalar, vector, vector-scalar and gravity models and characterize physically acceptable actions in each case.
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