T Mukhopadhyay, B. Jangid, and A. K. Dutta, "State-specific frozen natural orbital for reduced-cost algebraic diagrammatic construction calculations: The application to ionization problem", J. Chem. Phys. 159, 084113 (2023).

K. Surjuse, S. Chamoli, M. K. Nayak, and A. K. Dutta, "A low-cost four-component relativistic equation of motion coupled cluster method based on frozen natural spinors: Theory, implementation, and benchmark",  J. Chem. Phys. 157, 204106 (2022).

S. Chamoli, K. Surjuse, B. Jangid, M. K. Nayak, and A. K. Dutta, "A reduced cost four-component relativistic coupled cluster method based on natural spinors",  J. Chem. Phys. 156, 204120 (2022).