TY  - RPRT
TI  - Freezing-in gravitational waves
AU  - Ghiglieri, Jacopo (ORCID:000000034176857X)
AU  - Schütte-Engel, Jan (ORCID:000000017905237X)
AU  - Speranza, Enrico (ORCID:0000000330766958)
PY  - 2024
DO  - 10.1103/physrevd.109.023538
UR  - https://www.osti.gov/biblio/2283474
ID  - 2283474
ER  -