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Tools for incorporating a D-wave contribution in Skyrme energy density functionals

Abstract : The possibility of adding a D-wave term to the standard Skyrme effective interaction has been widely considered in the past. Such a term has been shown to appear in the next-to-next-to-leading order of the Skyrme pseudo-potential. The aim of the present article is to provide the necessary tools to incorporate this term in a fitting procedure: first, a mean-field equation written in spherical symmetry in order to describe spherical nuclei and second, the response function to detect unphysical instabilities. With these tools it will be possible to build a new fitting procedure to determine the coupling constants of the new functional.
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http://hal.in2p3.fr/in2p3-00999449
Contributor : Sylvie Flores <>
Submitted on : Tuesday, June 3, 2014 - 3:42:55 PM
Last modification on : Tuesday, November 19, 2019 - 2:41:21 AM

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P. Becker, D. Davesne, J. Meyer, A. Pastore, J. Navarro. Tools for incorporating a D-wave contribution in Skyrme energy density functionals. Journal of Physics G: Nuclear and Particle Physics, IOP Publishing, 2015, 42, pp.34001. ⟨10.1088/0954-3899/42/3/034001⟩. ⟨in2p3-00999449⟩

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