Abstract
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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Kota, V.K.B., Potbhare, V., Shenoy, P. et al. Inverse energy weighted sum-rules. Pramana - J Phys 32, 507–513 (1989). https://doi.org/10.1007/BF02845981
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DOI: https://doi.org/10.1007/BF02845981
Keywords
- Spectral-distribution-methods
- inverse-energy-weighted sum-rules
- ground-state-energy
- effective-interactions