Quasiparticle Random Phase Approximation with an optimal Ground State

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A new Quasiparticle Random Phase Approximation approach is presented. The corresponding ground state is variationally determined and exhibits a minimum energy. New solutions for the ground state, some with spontaneously broken symmetry, of a solvable Hamiltonian are found. A non-iterative procedure to solve the non-linear QRPA equations is used and thus all possible solutions are found. These are compared with the exact results as well as with the solutions provided by other approaches.
13 pages, RevTex, 3 postscript figures

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Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/185862

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/0103012
 http://arxiv.org/abs/nucl-th/0103012
 J.Phys.G27:1757-1766,2001
 doi:10.1088/0954-3899/27/8/305

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arXiv