Impacts of parameters adjustment of relativistic mean field model on neutron star properties

Kasmudin, Anto Sulaksono

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1 Citation (Scopus)


Analysis of the parameters adjustment effects in isovector as well as in isoscalar sectors of effective field based relativistic mean field (E-RMF) model in the symmetric nuclear matter and neutron-rich matter properties has been performed. The impacts of the adjustment on slowly rotating neutron star are systematically investigated. It is found that the massradius relation obtained from adjusted parameter set G2** is compatible not only with neutron stars masses from 4U 0614+09 and 4U 1636-536, but also with the ones from thermal radiation measurement in RX J1856 and with the radius range of canonical neutron star of X7 in 47 Tuc, respectively. It is also found that the moment inertia of PSR J073-3039A and the strain amplitude of gravitational wave at the Earth's vicinity of PSR J0437-4715 as predicted by the E-RMF parameter sets used are in reasonable agreement with the extracted constraints of these observations from isospin diffusion data.

Original languageEnglish
Pages (from-to)1271-1285
Number of pages15
JournalInternational Journal of Modern Physics E
Issue number5
Publication statusPublished - May 2011


  • Relativistic mean field
  • neutron star
  • nuclear matter


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