• N Tressler

      Articles written in Pramana – Journal of Physics

    • Ground-state occupancies off-p-g shell nuclei

      N Naik S Ramkumar P Shenoy N Tressler

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      We have calculated the ground-state occupancies of various nuclei in the spectroscopic space of upperf-p shell andg9/2 orbit using spectral distribution methods. The modified fully renormalised Kuo-Brown interaction has been used. The calculated values have been compared with the experimental results.

    • Inverse energy weighted sum-rules

      V K B Kota V Potbhare P Shenoy N Tressler

      More Details Abstract Fulltext PDF

      A new derivation of the inverse energy-weighted sum-rules is given by applying the spectral distribution methods to the Rayleigh-Schrodinger perturbation theory. The scalar space result is then extended to the configurations. This is applied to obtain corrections to the ground-state energy estimates when the effective interaction is approximated by a model Hamiltonian obtained by taking linear combinations of various parts of the pairing and the Q.Q operators.

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