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[ascl:2101.001] 3LPT-init: Initial conditions with third-order Lagrangian perturbation for cosmological N-body simulations

In cosmological N-body simulations, higher-order Lagrangian perturbation on the initial condition affects the formation of nonlinear structure. Using this code, the initial condition generated by Zel'dovich approximation (Lagrangian linear perturbation) for Gadget-2 code to initial condition with second- or third-order Lagrangian perturbation (2LPT, 3LPT).

Code site:
https://github.com/tatekawa-astron/3LPT-init/
Described in:
https://ui.adsabs.harvard.edu/abs/2020IJMPD..2950096
Bibcode:
2021ascl.soft01001T

Views: 389

ascl:2101.001
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