The phase transition in hot hypernuclei within relativistic Thomas-Fermi approximation
arXiv:1611.04121 · doi:10.1103/PhysRevC.94.054325
Abstract
A self-consistent description for hot hypernuclei in hypothetical big boxes is developed within the relativistic Thomas-Fermi approximation in order to investigate directly the liquid-gas phase coexistence in strangeness finite nuclear systems. We use the relativistic mean-field model for nuclear interactions. The temperature dependence of hyperon density, hyperon radius, excitation energies, specific heat, and the binding energies of hypernuclei from O to Pb in phase transition region are calculated by using the subtraction procedure in order to separate the hypernucleus from the surrounding baryon gas. The central density is very sensitive to the temperature. The radii of hyperon at high temperature become very large. In the relativistic Thomas-Fermi approximation with the subtraction procedure, the properties of hypernuclei are independent of the size of the box in which the calculation is performed. The level density parameters of hypernuclei in the present work are confirmed to be almost constant at low temperature. It is also found that the single- binding energies of hypernuclei are largely reduced with increasing temperature.
arXiv comment20 pages, 8 figures, 2 tables, accepted to Phys. Rev. C. arXiv admin note: text overlap with arXiv:1411.1584
References in corpus (36)
- Relativistic Continuum Hartree Bogoliubov Theory for Ground State Properties of Exotic Nuclei
- Light Nuclei and Hypernuclei from Quantum Chromodynamics in the Limit of SU(3) Flavor Symmetry
- Relativistic Equation of State for Core-Collapse Supernova Simulations
- Hypernuclei, dibaryon and antinuclei production in high energy heavy ion collisions: Thermal production vs. Coalescence
- Binding of Hypernuclei in the Latest Quark-Meson Coupling Model
- Complete relativistic equation of state for neutron stars
- Hyperon stars at finite temperature in the Brueckner theory
- Strangeness nuclear physics: a critical review on selected topics
- Effects of the two-body and three-body hyperon-nucleon interactions in Λ-hypernuclei
- Warm pasta phase in the Thomas-Fermi approximation
- Production of hypernuclei in multifragmentation of nuclear spectator matter
- Five-body cluster structure of double- hypernucleus Be
- The neutron star inner crust and symmetry energy
- Double- hypernuclei in the relativistic mean-field theory
- Formation of hypernuclei in high energy reactions within a covariant transport model
- Shell-model predictions for double-Lambda hypernuclei
- A study of Lambda hypernuclei within the Skyrme-Hartree-Fock Model
- Production of spectator hypermatter in relativistic heavy-ion collisions
- Description of single-Lambda hypernuclei with relativistic point coupling model
- Extended quark mean-field model for neutron stars
- Nucleation Process in Asymmetric Nuclear Matter
- Study of hypernuclei in the quark mean field model
- Tensor correlation, pairing interaction and deformation in Ne isotopes and Ne hypernuclei
- Temperature dependence of symmetry energy of finite nuclei
- Isospin-rich nuclei in neutron star matter
- Temperature dependence of volume and surface symmetry energy coefficients of nucle
- Single-Λ Hypernuclei in the Relativistic Mean-Field Theory with parameter set FSU
- Nuclei beyond the drip line
- Symmetry energy of hot nuclei in the relativistic Thomas-Fermi approximation
- Caloric curve for finite nuclei in relativistic models
- Thermal properties of the nuclear surface
- Extending the canonical thermodynamic model: inclusion of hypernuclei
- Relativistic equation of state at subnuclear densities in the Thomas-Fermi approximation
- Liquid-gas phase transition in nuclei in the relativistic Thomas-Fermi theory
- Density reorganization in hot nuclei
- Overview of Strangeness Nuclear Physics