T K Balasubramanian
Articles written in Pramana – Journal of Physics
Volume 12 Issue 6 June 1979 pp 707-716 Spectroscopy
Rotational analysis of the ultraviolet bands of PS
T K Balasubramanian M N Dixit N A Narasimham
The 2-0, 1-0 and 0-0 bands of the ultraviolet system of PS have been analysed for their rotational structure. It is shown that they involve the transition
Volume 22 Issue 1 January 1984 pp 3-9 Spectroscopy
Laser excited fluorescence of Na2
K S Chandrasekhar S D Sharma T K Balasubramanian R D’Souza R Bhatnagar
Fluorescence was excited in the
Volume 24 Issue 3 March 1985 pp 503-512 Molecular Physics
Rotational line strengths in4Σ-4Π transition of diatomic molecules
T K Balasubramanian V P Bellary
A theoretical derivation of closed form expressions for the intensities of all the rotational branches arising out of4Σ-4Π electronic transition in a diatomic molecule is described. In the present theory the tradition of treating the coupling in the4Σ state as belonging to Hund’s case (b) is discarded; instead a full-fledged intermediate coupling treatment which rigorously takes into account the spin-spin and second order spin-orbit effects is presented. Since accurate intermediate coupling treatment of4Π, in analytically closed form, is not possible, the4Π is first restricted to the extreme coupling scheme Hund’s case (a)(or case (b)); the effect of spin uncoupling (or spin-orbit and spin-spin interactions) is then incorporated through a first order perturbation calculation.
Volume 57 Issue 4 October 2001 pp 727-732 Research Articles
Adya Prasad Mishra T K Balasubramanian
Rovibrational matrix elements of the multiple moments
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