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Isovector channel of quark-meson-coupling model and its effect on symmetry energy
KTH, School of Engineering Sciences (SCI), Physics, Nuclear Physics.ORCID iD: 0000-0002-1406-5695
2011 (English)In: Nuclear Physics A, ISSN 0375-9474, Vol. 865, no 1, 57-68 p.Article in journal (Refereed) Published
Abstract [en]

The non-relativistic approximation Of the quark-meson-coupling model has been discussed and compared with the Skyrme-Hartree-Fock model which includes spin exchanges. Calculations show that the spin-exchange interaction has important effect on the descriptions of finite nuclei and nuclear matter through the Fock exchange. Also in the quark-meson-coupling model, it is the Fock exchange that leads to a nonlinear density-dependent isovector channel and changes the density-dependent behavior of the symmetry energy.

Place, publisher, year, edition, pages
2011. Vol. 865, no 1, 57-68 p.
Keyword [en]
Quark-meson-coupling model, Skyrme force, Energy density functional, Nuclear matter, Finite nuclei, Symmetry energy
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Other Physics Topics
URN: urn:nbn:se:kth:diva-40664DOI: 10.1016/j.nuclphysa.2011.07.001ISI: 000294521300004ScopusID: 2-s2.0-79961126436OAI: diva2:443607
Swedish Research Council, 623-2009-7340 2010-4723
QC 20110926Available from: 2011-09-26 Created: 2011-09-20 Last updated: 2011-09-26Bibliographically approved

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