TY - RPRT TI - Quantum reference frames from top-down crossed products AU - Ali Ahmad, Shadi (ORCID:0000000289234254) AU - Chemissany, Wissam (ORCID:0000000291134463) AU - Klinger, Marc S. (ORCID:0009000176661185) AU - Leigh, Robert G. (ORCID:0000000160054922) PY - 2024 DO - 10.1103/physrevd.110.065003 UR - https://www.osti.gov/biblio/2440057 ID - 2440057 ER -