Items where Author is "Bera, Nabakumar"

Article

Bera, Nabakumar ; Bhattacharyya, Kamal ; Bhattacharjee, Jayanta K (2008) On the sign of the second-order energy shift in the Rayleigh–Schrödinger perturbation theory for a highly excited state Journal of Physics A: Mathematical and Theoretical, 41 (4). 045301. ISSN 1751-8113

Bera, Nabakumar ; Bhattacharyya, Kamal ; Bhattacharjee, Jayanta K. (2008) Perturbative and nonperturbative studies with the delta function potential American Journal of Physics, 76 (3). pp. 250-257. ISSN 0002-9505

Das, Sanghamitra ; Bera, Nabakumar ; Ghosh, Subhasree ; Mukherjee, Debashis (2006) An externally-corrected size-extensive single-root MRCC formalism: its kinship with the rigorously size-extensive state-specific MRCC theory Journal of Molecular Structure: Theochem, 771 (1-3). pp. 79-87. ISSN 0166-1280

Bera, Nabakumar ; Ghosh, Subhasree ; Mukherjee, Debashis ; Chattopadhyay, Sudip (2005) Reappraisal of the Role of Size-Extensive Normalization for Multireference Coupled Cluster (MRCC) Theory Using General Model Space: A Valence Universal MRCC Approach The Journal of Physical Chemistry A, 109 (50). pp. 11462-11469. ISSN 1089-5639