Flux-variational formulation of relativistic perfect fluids

被引：1

作者：

Alonso-Blanco, R. J. ^{[1
]}

Munoz-Diaz, J. ^{[1
]}

机构：

[1] Univ Salamanca, Dept Matemat, Plaza Merced 1-4, E-37008 Salamanca, Spain

来源：

JOURNAL OF GEOMETRY AND PHYSICS | 2020年 / 147卷

关键词：

Variations; Relativistic fluid; Flux; Continuity equation;

D O I：

10.1016/j.geomphys.2019.103525

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We give a variational formulation of perfect fluids on a general pseudoriemannian manifold by variating tangent fields according the flux produced by them. In fact, in this approach the key point is to consider those variations that preserve the canonical structure of the bundle of fluxes (see below). As a result, Euler and continuity equations are obtained quite directly. (C) 2019 Elsevier B.V. All rights reserved.

引用

页数：8

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