Lagrangian formulation for perfect fluid equations with the l-conformal Galilei symmetry

被引：0
作者：
Snegirev, Timofei [1 ]
机构：
[1] Tomsk State Univ Control Syst & Radioelect, Lab Appl Math & Theoret Phys, Lenin Ave 40, Tomsk 634050, Russia
来源：
PHYSICAL REVIEW D | 2024年 / 110卷 / 04期
基金：
俄罗斯科学基金会;
关键词：
KINEMATICAL INVARIANCE GROUP; SCALE;
D O I：
10.1103/PhysRevD.110.045003
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Lagrangian formulation for perfect fluid equations which hold invariant under the l-conformal Galilei group with half-integer l is proposed. It is based on a Clebsch-type parametrization and reproduces Lagrangian description of the Euler fluid equations for l= = 1 2 . The transition from the Lagrangian formulation to the Hamiltonian one is analyzed in detail.
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页数：7
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