Volume 641, September 2020
|Number of page(s)||16|
|Section||Numerical methods and codes|
|Published online||18 September 2020|
SCALAR: an AMR code to simulate axion-like dark matter models
Institute of Theoretical Astrophysics, University of Oslo, 0315 Oslo, Norway
2 Institute of Cosmology & Gravitation, University of Portsmouth, Portsmouth, Hampshire PO1 3FX, UK
Accepted: 8 June 2020
We present a new code, SCALAR, based on the high-resolution hydrodynamics and N-body code RAMSES, to solve the Schrödinger equation on adaptive refined meshes. The code is intended to be used to simulate axion or fuzzy dark matter models where the evolution of the dark matter component is determined by a coupled Schrödinger-Poisson equation, but it can also be used as a stand-alone solver for both linear and non-linear Schrödinger equations with any given external potential. This paper describes the numerical implementation of our solver and presents tests to demonstrate how accurately it operates.
Key words: methods: numerical / dark matter / large-scale structure of Universe
© ESO 2020
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