TY  - RPRT
TI  - Freeze-in dark matter perturbations are adiabatic
AU  - Racco, D.
AU  - Riotto, A.
PY  - 2023
DO  - 10.1088/1475-7516/2023/01/020
UR  - https://www.osti.gov/biblio/2425008
ID  - 2425008
ER  -