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Ramasesha, S and Sinha, B and Albert, IDL (1994) Nature of exchange interactions in stacked radicals/radical-ions of cyclic polyenes. In: Journal of Molecular Structure, 327 (2-3). pp. 173-180.
Albert, IDL and Das, PK and Ramasesha, S (1993) Optical nonlinearities in symmetric cyanine dyes and related systems. In: Journal of the Optical Society of America B, 10 (8). pp. 1365-1371.
Chakrabarti, Aparna and Albert, IDL and Ramasesha, S and Lalitha, S and Chandrasekhar, Jayaraman (1993) Is tetramethyleneethane a ground state triplet? In: Proceedings of the Indian Academy of Sciences - Chemical Sciences, 105 (1). pp. 53-62.
Albert, IDL and Pugh, D and Morley, JO and Ramasesha, S (1992) Linear and nonlinear optical properties of cumulenes and polyenynes: a model exact study. In: Journal of Physical Chemistry, 96 (25). pp. 10160-10165.
Ramasesha, S and Albert, IDL (1992) A comparative theoretical study of higher harmonic generation and electro-optic effects in polyene systems. In: Chemical Physics Letters, 196 (3-4). pp. 287-293.
Albert, IDL and Ramasesha, S (1991) Role of $\sigma-\pi$ interactions on linear and nonlinear susceptibilities in polyenes. In: Chemical Physics Letters, 182 (3-4). pp. 351-356.
Albert, IDL and Ramasesha, S and Das, PK (1991) Properties of some low-lying electronic states in polymethineimines and poly(2,3-diazabutadienes). In: Physical Review B, 43 (9). pp. 7013-7019.
Ramasesha, S and Albert, IDL and Sinha, Bhabadyuti (1991) Optical and magnetic properties of the exact PPP states of biphenyl. In: Molecular Physics, 72 (3). pp. 537-547.
Albert, IDL and Das, Puspendu K and Ramasesha, S (1991) Second-harmonic generation and electronic structure of polymethineimines: a theoretical study. In: Chemical Physics Letters, 176 (2). pp. 217-224.
Ramasesha, S and Albert, IDL (1990) Model exact study of dc-electric-field-induced second-harmonic-generation coefficients in polyene systems. In: Physical Review B: Condensed Matter and Materials Physics, 42 (13). pp. 8587-8594.
Sinha, Bhabadyuti and Albert, IDL and Ramasesha, S (1990) Stability of the high-spin ground state in alternant $\pi$-conjugated organic molecules. In: Physical Review B: Condensed Matter and Materials Physics, 42 (14). pp. 9088-9097.
Albert, IDL and Ramasesha, S (1990) Sudden Polarization in Push-Pull Polyenes: A Model Exact Study. In: Journal of Physical Chemistry, 94 (17). pp. 6540-6543.
Albert, IDL and Das, Puspendu K and Ramasesha, S (1990) A model exact calculation of SHG coefficients in polysubstituted push-pull polyenes. In: Chemical Physics Letters, 168 (5). pp. 454-460.
Ramasesha, S and Albert, IDL (1990) Sudden polarization in interacting model $\pi$ systems: An exact study. In: Chemical Physics, 142 (3). pp. 395-402.
Albert, IDL and Ramasesha, S (1989) Intermolecular interactions in pi -conjugated systems: Application to polyenes. In: Physical Review B: Condensed Matter, 40 (12). pp. 8516-8521.
Ramasesha, S and Albert, IDL (1989) Exact static polarizabilities of correlated finite model systems. In: Chemical Physics Letters, 154 (5). 501-504 .
Albert, IDL and Ramasesha, S (1989) Numerically Exact Study of Polarizabilities and Hyperpolarizabilities of Correlated Conjugated Organic Models. In: Molecular Crystals & Liquid Crystals, 168 . pp. 95-101.
