Third-order perturbative solutions in the Lagrangian perturbation theory with pressure

Details Third-order perturbative solutions in the Lagrangian perturbation theory with pressure Third-order perturbative solutions in the Lagrangian perturbation theory with pressure

2005-02-11

arxiv.org/abs/astro-ph/0502230v2

Phys.Rev. D71 (2005) 044024

Astronomy and Astrophysics

Astrophysics

11 pages, 1 figure; accepted for publication in Physical Review D

Scientific paper

10.1103/PhysRevD.71.044024

Lagrangian perturbation theory for cosmological fluid describes structure
formation in the quasi-nonlinear stage well. We present a third-order
perturbative equation for Lagrangian perturbation with pressure in both the
longitudinal and transverse modes. Then we derive the perturbative solution for
simplest case.

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