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New density-independent interactions for nuclear structure calculations

K. Bennaceur 1 J. Dobaczewski F. Raimondi
1 Théorie
IP2I Lyon - Institut de Physique des 2 Infinis de Lyon
Abstract : We present a new two-body finite-range and momentum-dependent but density-independent effective interaction, which can be interpreted as a regularized zero-range force. We show that no three-body or density-dependent terms are needed for a correct description of saturation properties in infinite matter, that is, on the level of low-energy density functional, the physical three-body effects can be efficiently absorbed in effective two-body terms. The new interaction gives a very satisfying equation of state of nuclear matter and opens up extremely interesting perspectives for the mean-field and beyond-mean-field descriptions of atomic nuclei.
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http://hal.in2p3.fr/in2p3-00837673
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Submitted on : Monday, June 24, 2013 - 9:51:14 AM
Last modification on : Thursday, February 6, 2020 - 4:28:09 PM

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K. Bennaceur, J. Dobaczewski, F. Raimondi. New density-independent interactions for nuclear structure calculations. INPC 2013 - International Nuclear Physics Conference, Jun 2013, Firenze, Italy. pp.02031, ⟨10.1051/epjconf/20146602031⟩. ⟨in2p3-00837673⟩

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