V Potbhare
Articles written in Pramana – Journal of Physics
Volume 11 Issue 2 August 1978 pp 205-207 Statistical Physics
Shape of spectrum with ensemble of 2-body random hamiltonians
Monte-Carlo calculations in
Volume 11 Issue 2 August 1978 pp 209-221 Statistical Physics
Eigenvalue density for ensemble of 2-body random hamiltonians with non-zero mean for matrix elements
We obtain an expression for the ensemble-averaged moments in
Volume 32 Issue 4 April 1989 pp 507-513 Statistical Nuclear Physics
Inverse energy weighted sum-rules
V K B Kota V Potbhare P Shenoy N Tressler
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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