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Pairing-plus-quadrupole-plus-octupole model

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Abstract

The octupole-octupole interaction has been added to the old pairing-plus-quadrupole model. Symmetries of the HF mean field are discussed. It is shown that under the assumption of the S-symmetry of the HF mean field, only two quadrupole and two octupole parameters have non-zero expectation values in HFB ground state. A detailed analysis of two possible approaches to the HFB treatment of the model Hamiltonian is presented.

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Additional information

We would like to thank Prof. J. de Boer for useful comments. This work was supported by DFG Bo 1109/1 and Volkswagen Foundation.

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Kvasil, J., Alexa, P. & Sheline, R.K. Pairing-plus-quadrupole-plus-octupole model. Czech J Phys 46, 457–471 (1996). https://doi.org/10.1007/BF01690894

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Keywords

  • Detailed Analysis