期刊
PHYSICAL REVIEW C
卷 82, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.82.045801
关键词
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资金
- FCT
- FEDER (Portugal) [FCOMP-01-0124-FEDER-008393, CERN/FP/109316/2009]
- CNPq (Brazil)
- Capes/FCT [232/09]
- ESF Research Networking Programme
In the present article, we investigate stellar matter obtained within the quark-meson-coupling (QMC) model for fixed temperature and with the entropy of the order of 1 or 2 Boltzmann units per baryon for neutrino-free matter and matter with trapped neutrinos. A new prescription for the calculation of the baryon effective masses in terms of the free energy is used. Comparing the results of the present work with those obtained from the nonlinear Walecka model, smaller strangeness and neutrino fractions are predicted within QMC. As a consequence, QMC has a smaller window of metastability for conversion into a low-mass blackhole during cooling.
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