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Biswas, Nandita and Umapathy, Siva (2003) Resonance Raman study of the solvent dynamics for ultrafast charge transfer transition in 4-nitro-4'-dimethylamino-azobenzene. In: Journal of Chemical Physics, 118 (12). pp. 5526-5536.
Biswas, Nandita and Abraham, Becky and Umapathy, Siva (2002) Investigation of short-time isomerization dynamics in p-nitroazobenzene from resonance Raman intensity analysis. In: Journal of Physical Chemistry A, The, 106 (41). pp. 9397-9406.
Biswas, Nandita and Umapathy, Siva (2001) Study of solvent effects on the molecular structure and the reorganization energies of $4-nitro-4^\prime -dimethyl-aminoazobenzene$ using resonance Raman intensities. In: Journal of Raman Spectroscopy, 32 (6-7). pp. 471-480.
Biswas, Nandita and Umapathy, Siva (2000) Structures, Vibrational Frequencies, and Normal Modes of Substituted Azo Dyes: Infrared, Raman, and Density Functional Calculations. In: Journal of Physical Chemistry A, 104 (12). pp. 2734-2745.
Biswas, Nandita and Umapathy, Siva (1998) Partitioning of the total reorganization energy into its vibrational and solvent (inertial and reorientational) contributions using resonance Raman intensities. In: Chemical Physics Letters, 294 (1-3). pp. 181-190.
Biswas, Nandita and Umapathy, Siva (1998) Simple Approach to Determining Absolute Raman Cross Sections Using an Optical Parametric Oscillator. In: Applied Spectroscopy, 52 (4). pp. 496-499.
Biswas, Nandita and Umapathy, Siva (1998) Resonance Raman spectroscopy and ultrafast chemical dynamics. In: Current Science, 74 (4). pp. 328-340.
Biswas, Nandita and Umapathy, Siva (1997) Early time dynamics of trans-azobenzene isomerization in solution from resonance Raman intensity analysis. In: The Journal of Chemical Physics, 107 (19). pp. 7849-7858.
Biswas, Nandita and Umapathy, Siva (1997) Resonance de-enhancement in the 2(1)A(g) state of trans-azobenzene. In: Pramana - Journal of Physics, 48 (4). pp. 937-950.
