Ground state correlations and anharmonicity of vibrations

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A consistent treatment of the ground state correlations beyond the random phase approximation including their influence on the pairing and phonon-phonon coupling in nuclei is presented. A new general system of nonlinear equations for the quasiparticle phonon model (QPM) is derived. It is shown that this system contains as a particular case all equations derived for the QPM early. New additional Pauli principle corrections resulting in the anharmonical shifts of energies of the two-phonon configurations are found. A correspondence between the generalized QPM equations and the nuclear field theory is discussed.
22 pages, 3 postscript figures, added references

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Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/81585

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/0011052
 http://arxiv.org/abs/nucl-th/0011052

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arXiv