TY - RPRT TI - The Grassmann interpolation method for spin-unrestricted open-shell systems AU - Tan, Jake A. (ORCID:0000000181413891) AU - Lao, Ka Un (ORCID:000000023993536X) PY - 2023 DO - 10.1063/5.0153440 UR - https://www.osti.gov/biblio/2423118 ID - 2423118 ER -