Effects of the ω meson self coupling on the thermal properties of asymmetric nuclear matter

S. Wibowo, Anto Sulaksono

Research output: Contribution to journalArticlepeer-review

Abstract

Effects of the ω meson self coupling (OMSC) on the thermal properties of asymmetric nuclear matter (ANM) are studied within the framework of relativistic mean field (RMF) model that includes contributions of all possible mixed interactions among meson fields involved up to quartic order. In particular, we study the mechanical and chemical instabilities (spinodal), as well as the liquid-gas phase transition (binodal) at finite temperature. It is found that the onset of spinodal instabilities and the binodal curve are only marginally affected by variation of the OMSC parameter, whereas the binodal curve shows a strong correlation to the symmetry energy. Comparison with other ERMF parameter sets is also performed.

Original languageEnglish
Pages (from-to)1067-1070
Number of pages4
JournalModern Physics Letters A
Volume24
Issue number11-13
Publication statusPublished - 30 Apr 2009

Keywords

  • Binodal
  • Dense matter
  • Spinodal

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