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Variation after Particle-Number Projection for the HFB Method with the Skyrme Energy Density Functional

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arxiv nucl-th/0610061 v1 pith:BJOW5XYK submitted 2006-10-14 nucl-th

Variation after Particle-Number Projection for the HFB Method with the Skyrme Energy Density Functional

classification nucl-th
keywords methodparticle-numberdensityenergyfunctionallipkin-nogamiprojectedprojection
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Variation after particle-number restoration is incorporated for the first time into the Hartree-Fock-Bogoliubov framework employing the Skyrme energy density functional with zero-range pairing. The resulting projected HFB equations can be expressed in terms of the local gauge-angle-dependent densities. Results of projected calculations are compared with those obtained within the Lipkin-Nogami method in the standard version and with the Lipkin-Nogami method followed by exact particle-number projection.

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