Shortcuts to nuclear structure: lessons in Hartree-Fock, RPA, and the no-core shell model
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While the no-core shell model is a state-of-the-art microscopic approach to low-energy nuclear structure, its intense computational requirements lead us to consider time-honored approximations such as the Hartree-Fock (HF) approximation and the random phase approximation (RPA). We review RPA and point out some common misunderstandings, then apply HF+RPA to the no-core shell model. Here the main issue is appropriate treatment of contamination by spurious center-of-mass motion.
To appear in IJMPE; Proceedings of "Blueprints for the Nucleus," Istanbul, Turkey, May 2004
To appear in IJMPE; Proceedings of "Blueprints for the Nucleus," Istanbul, Turkey, May 2004