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Nuclear energy density optimization
Open accessAbstract
We carry out state-of-the-art optimization of a nuclear energy density of Skyrme type in the framework of the Hartree-Fock-Bogoliubov theory. The particle-hole and particle-particle channels are optimized simultaneously, and the experimental data set includes both spherical and deformed nuclei. The new model-based, derivative-free optimization algorithm used in this work has been found to be significantly better than standard optimization methods in terms of reliability, speed, accuracy, and precision. The resulting parameter set unedf0 results in good agreement with experimental masses, radii, and deformations and seems to be free of finite-size instabilities. An estimate of the reliability of the obtained parameterization is given, based on standard statistical methods. We discuss new physics insights offered by the advanced covariance analysis.
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Cited by
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Unexpectedly large charge radii of neutron-rich calcium isotopes
Garcia Ruiz, R. F., Bissell, M. L., Blaum, K., Ekström, A., Frömmgen, N., Hagen, G., Hammen, M., Hebeler, K., Holt, J. D., Jansen, G. R., et al. (2016) · Nature Physics · doi:10.1038/nphys3645 · Cited by 367
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Metadata
- Authors
- Kortelainen, M., Lesinski, T., Moré, J., Nazarewicz, W., Sarich, J., Schunck, N., Stoitsov, M. V., & Wild, S.
- Venue
- Physical Review C
- Publisher
- American Physical Society (APS)
- Published
- 2010-08-13
- Volume
- 82
- Issue
- 2
- ISSN
- 0556-2813 (ISSN-L)
- 1089-490X
- OpenAlex
- W2093529617
- Cited by
- 509
- References
- 0
- FWCI
- 12.73
- Type
- journal article
- Language
- en
- Open access
- green
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- Kortelainen, M., Lesinski, T., Moré, J., Nazarewicz, W., Sarich, J., Schunck, N., Stoitsov, M. V., & Wild, S. (2010). Nuclear energy density optimization. Physical Review C. https://doi.org/10.1103/physrevc.82.024313
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