Causality and classical dispersion relations

被引：12

作者：

Hoult, Raphael E. ^{[1
]}

Kovtun, Pavel ^{[1
]}

机构：

[1] Univ Victoria, Dept Phys & Astron, POB 1700 STN CSC, Victoria, BC V8W 2Y2, Canada

来源：

PHYSICAL REVIEW D | 2024年 / 109卷 / 04期

基金：

美国国家科学基金会; 加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1103/PhysRevD.109.046018

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We explore the consequences of relativistic causality and covariant stability for short -wavelength dispersion relations in classical systems. For excitations described by a finite number of partial differential equations, as is the case in relativistic hydrodynamics, we give causality and covariant stability constraints on the excitation's frequency at large momenta.

引用

页数：10