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Natural orbitals and occupation numbers in the coherent density fluctuation model

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Il Nuovo Cimento A (1965-1970)

Summary

The natural orbitals and occupation numbers are evaluated in the framework of the coherent, density fluctuation model (CDFM) by diagonalizing of the one-body density matrix given by the model. They are consistent with the experimental data concerning both the nucleon momentum and density distribution. The short-rangeNN correlations included in the CDFM affect not only the occupation numbers but also the natural orbitals. The results are compared with the wave functions of the single-particle potential model and with available experimental data for the occupation numbers.

Riassunto

Si valutano gli orbitali naturali e i numeri di occupazione nell’ambito del modello di fluttuazione di densità coerente (CDFM) diagnonalizzando la matrice di densità a un corpo data dal modello. Essi sono coerenti con i dati sperimentali sia riguardo, all’impulso dei nucleoni che alla distribuzione di densità. Le correlazioniN-N incluse nel CDFM influenzano non solo i numeri, di occupazione ma anche gli orbitali naturali. Si confrontano i risultati con le funzioni d’onda del modello del potenziale a particella singola e con i dati sperimentali disponibili per i numeri di occupazione.

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Authors and Affiliations

  1. Institute for Nuclear Research and Nuclear Energy, 1784, Sofia, Bulgaria

    A. N. Antonov, E. N. Nikolov & I. Zh. Petkov

  2. Institut für Theoretische Physik II, Ruhr-Universität Bochum, D-4630, Bochum, West Germany

    Chr V. Christov

  3. Nuclear Physics Laboratory, University of Oxford, OX1-3RH, Oxford, UK

    P. E. Hodgson

Authors
  1. A. N. Antonov
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  2. E. N. Nikolov
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  3. I. Zh. Petkov
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  4. Chr V. Christov
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  5. P. E. Hodgson
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To speed up publication, the author of this paper has agreed to not receive the proofs for correction.

This work is partially supported by the Bulgarian Ministry of Culture, Science and Education under contract No. 325.

Traduzione a cura della Redazione.

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Antonov, A.N., Nikolov, E.N., Petkov, I.Z. et al. Natural orbitals and occupation numbers in the coherent density fluctuation model. Nuov Cim A 102, 1701–1715 (1989). https://doi.org/10.1007/BF02825160

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