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Título: | Effect of Tensor Correlations on the Density Dependence of the Nuclear Symmetry Energy | Autor: | Vidaña, Isaac Providência, Constança Polls, Artur |
Palavras-chave: | symmetry energy; tensor force; correlations | Data: | 2014 | Editora: | MDPI | Projeto: | PEst-OE/FIS/UI0405/2014 grant No. FIS2011-24154 from MICINNC (Spain) grant No. 2014SGR401 from Generalitat de Catalunya (Spain) Consolider Ingenio 2010 Programme CPAN CSD2007-0042 STFC, through grants ST/1005528/1 and ST/J000051/1 “NewCompstar”, COST Action MP1304 |
Título da revista, periódico, livro ou evento: | Symmetry | Volume: | 7 | Número: | 1 | Resumo: | We analyze the effect of the tensor force and other components of the nucleon-nucleon interaction on the nuclear symmetry energy and its density dependence by using the Hellmann–Feynman theorem. The analysis is performed within the microscopic Brueckner–Hartree–Fock approach using the Argonne V18 potential plus a Urbana IX three-nucleon force. Our results show that the potential part of the nuclear Hamiltonian, and in particular its tensor component, gives the largest contribution to the symmetry energy. The decomposition of the symmetry energy into a kinetic part and a potential energy part provides physical insight on the correlated nature of the system, indicating that pure neutron matter is less correlated than symmetric nuclear matter. | URI: | https://hdl.handle.net/10316/109337 | ISSN: | 2073-8994 | DOI: | 10.3390/sym7010015 | Direitos: | openAccess |
Aparece nas coleções: | FCTUC Física - Artigos em Revistas Internacionais |
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Effect-of-tensor-correlations-on-the-density-dependence-of-the-nuclear-symmetry-energySymmetry.pdf | 416.7 kB | Adobe PDF | Ver/Abrir |
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