Many-Body Approximations in the sd-Shell Sandbox
classification
⚛️ nucl-th
keywords
exactpairingapproachapproximationscombinesenergyexamplefinite
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A new theoretical approach is presented that combines the Hartree-Fock variational scheme with the exact solution of the pairing problem in the finite orbital space. Using this formulation in the sd-space as an example, we show that the exact pairing significantly improves the results for the ground state energy
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