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On a collective pair approximation for low-energy nuclear spectra
Affiliation:2. Dipartimento di Fisica, Università di Lecce, 73100 Lecce, Italy;3. INFN - Sezione di Catania, Corso Italia 57, 95129 Catania, Italy
Abstract:
We investigate an approximate procedure to evaluate overlaps and matrix elements in a space of collective pairs. The procedures uses recursion formulas based on the commutation relations of the fermion operators. We test the approximation in the case of a pairing hamiltonian acting in a space of S pairs and compare it with the number operator approximation.
Keywords:
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