Käding, Christian, and Mario Pitschmann. “New Method for Directly Computing Reduced Density Matrices”. Physical Review D, vol. 107, no. 1, 2023, https://doi.org/10.1103/physrevd.107.016005.
Käding, C., & Pitschmann, M. (2023). New method for directly computing reduced density matrices. Physical Review D, 107(1). https://doi.org/10.1103/physrevd.107.016005
Käding, Christian, and Mario Pitschmann. “New Method for Directly Computing Reduced Density Matrices”. Physical Review D 107, no. 1 (2023). https://doi.org/10.1103/physrevd.107.016005.
Käding C, Pitschmann M. New method for directly computing reduced density matrices. Physical Review D. 2023;107(1).