Emulating the non-linear matter power spectrum in mixed axion dark matter models

Open Access

Fig. 1.

Example of the non-linear power spectrum ratio r for varying axion abundance (top panel) and axion mass (bottom panel). We use axion mass m_ax = 10⁻²⁶ eV in the top panel, and axion abundance f_ax = 0.5 in the bottom panel. The data in this figure was generated using the trained axion emulator described in this paper.

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