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Anchor-based optimization of energy density functionals
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DOI：10.1103/PhysRevC.107.L041301.png)
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A new anchor-based optimization method of defining energy density functionals (EDFs) is proposed. In this approach, the optimization of the parameters of EDFs is carried out for a selected set of spherical anchor nuclei, the physical observables of which are modified by the correction function, which takes into account the global performance of EDFs. It is shown that the use of this approach leads to a substantial improvement in the global description of binding energies for several classes of covariant EDFs. The computational cost of defining a new functional within this approach is drastically lower as compared with the one for the optimization which includes the global experimental data on spherical, transitional, and deformed nuclei in the fitting protocol.
期刊
IF:
3.4
论文数:
2.9W
被引数:
5.7W
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Global performance of covariant energy density functionals: Ground state observables of even-even nuclei and the estimate of theoretical uncertainties.png)
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