Non-perturbative collective inertias for fission: A comparative study
Entity
UAM. Departamento de Física TeóricaPublisher
Elsevier BVDate
2018-10-25Citation
10.1016/j.physletb.2018.10.045
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 787 (2018): 134-140
ISSN
0370-2693; 1873-2445 (online)DOI
10.1016/j.physletb.2018.10.045Funded by
SAG acknowledges support from the U.S. Department of Energy under Award Number DOE-DE-NA0002847 (NNSA, the Stewardship Science Academic Alliances program), the Deutsche Forschungsgemeinschaft through con-tract SFB 1245, and the BMBF-Verbundforschungsprojekt number 05P15RDFN1. The work of LMR has been supported in part by Spanish grant Nos. FIS2015-63770 MINECO and FPA2015-65929 MINECOProject
Gobierno de España. FIS2015-63770; Gobierno de España. FPA2015-65929Editor's Version
https://doi.org/10.1016/j.physletb.2018.10.045Subjects
Adiabatic time dependent Hartree Fock Bogolyubov; Collective inertias; Fission; Generator coordinate method; FísicaRights
© 2018 The AuthorsAbstract
The non-perturbative method to compute Adiabatic Time Dependent Hartree Fock Bogoliubov (ATDHFB) collective inertias is extended to the Generator Coordinate Method (GCM) in the Gaussian overlap approximation (GOA) including the case of density dependent forces. The two inertias schemes are computed along the fission path of the 234U and compared with the perturbative results. We find that the non-perturbative schemes predict very similar collective inertias with a much richer structure than the one predicted by perturbative calculations. Moreover, the non-perturbative inertias show an extraordinary similitude with the exact GCM inertias computed numerically from the energy overlap. These results indicate that the non-perturbative inertias provide the right structure as a function of the collective variable and only a phenomenological factor is required to mock up the exact GCM inertia, bringing new soundness to the microscopic description of fission
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Google Scholar:Giuliani, Samuel Andrea
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Robledo Martín, Luis Miguel
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