EFT-Ramses: a code to simulate the effective field theory of dark energy

arXiv:2607.24940 · astro-ph.CO, gr-qc, physics.comp-ph · Submitted 2026-07-27 · Read on arXiv

Nathaniel Ota Woodcock, Sownak Bose, Yunhao Gao, Baojiu Li

astro-ph.CO, gr-qc, physics.comp-ph

Submitted: 2026-07-27

Comments: 18 pages, 5 figures (2 more in an Appendix), submitted to MNRAS; comments welcome

Code: https://github.com/Hi-COLACode/Hi-COLA

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

Clustering — 21× in this paper · explained in 2 episodes
N-body simulations — 13× in this paper · explained in 2 episodes
Matter Power Spectrum — 9× in this paper · explained in 2 episodes
Core — 4× in this paper · explained in 2 episodes
Model-Agnostic — 4× in this paper · explained in 2 episodes
Degeneracy — 3× in this paper · explained in 3 episodes
Accuracy — 2× in this paper · explained in 1 episode
Consistency — 2× in this paper · explained in 3 episodes
Effective Field Theory (EFT) — 2× in this paper · explained in 2 episodes
Modified Gravity (MG) — 2× in this paper · explained in 2 episodes
Quasi-Static Approximation — 2× in this paper
Trace — 2× in this paper · explained in 2 episodes
Abundance — 1× in this paper · explained in 1 episode
Anisotropy — 1× in this paper · explained in 3 episodes
Benchmark — 1× in this paper · explained in 2 episodes
Conservation Laws — 1× in this paper · explained in 3 episodes
Dark Energy Spectroscopic Instrument — 1× in this paper
Decoupling — 1× in this paper · explained in 2 episodes
Equation of State (EoS) — 1× in this paper · explained in 4 episodes
Quintessence — 1× in this paper · explained in 2 episodes
alpha — 1× in this paper · explained in 1 episode

Sources

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