Hyperon puzzle, hadron-quark crossover and massive neutron stars
K Masuda, T Hatsuda, T Takatsuka - The European Physical Journal A, 2016 - Springer
Bulk properties of cold and hot neutron stars are studied on the basis of the hadron-quark
crossover picture where a smooth transition from the hadronic phase to the quark phase …
crossover picture where a smooth transition from the hadronic phase to the quark phase …
Mapping neutron star data to the equation of state using the deep neural network
The densest state of matter in the Universe is uniquely realized inside the central cores of
the neutron star. While first-principles evaluation of the equation of state of such matter …
the neutron star. While first-principles evaluation of the equation of state of such matter …
Density functional approach to quark matter with confinement and color superconductivity
O Ivanytskyi, D Blaschke - Physical Review D, 2022 - APS
We present a novel relativistic density-functional approach to modeling quark matter with a
mechanism to mimic confinement. The quasiparticle treatment of quarks provides their …
mechanism to mimic confinement. The quasiparticle treatment of quarks provides their …
Constraining and applying a generic high-density equation of state
We discuss the “constant speed of sound”(CSS) parametrization of the equation of state of
high-density matter and its application to the field correlator method (FCM) model of quark …
high-density matter and its application to the field correlator method (FCM) model of quark …
Finite-size effects at the hadron-quark transition and heavy hybrid stars
N Yasutake, R Łastowiecki, S Benić, D Blaschke… - Physical Review C, 2014 - APS
We study the role of finite-size effects at the hadron-quark phase transition in a new hybrid
equation of state constructed from an ab initio Brückner-Hartree-Fock equation of state with …
equation of state constructed from an ab initio Brückner-Hartree-Fock equation of state with …
The quarkyonic star
K Fukushima, T Kojo - The Astrophysical Journal, 2016 - iopscience.iop.org
We discuss theoretical scenarios on crossover between nuclear matter (NM) and quark
matter (QM). We classify various possibilities into three major scenarios according to the …
matter (QM). We classify various possibilities into three major scenarios according to the …
Hybrid stars using the quark-meson coupling and proper-time Nambu–Jona-Lasinio models
Background: At high density deconfinement of hadronic matter may occur leading to quark
matter. The immense densities reached in the inner core of massive neutron stars may be …
matter. The immense densities reached in the inner core of massive neutron stars may be …
Which first order phase transitions to quark matter are possible in neutron stars?
JE Christian, J Schaffner-Bielich, S Rosswog - Physical Review D, 2024 - APS
We examine which first order phase transitions are consistent with today's astrophysical
constraints. In particular, we explore how a well-constrained mass-radius data point would …
constraints. In particular, we explore how a well-constrained mass-radius data point would …
Phenomenological neutron star equations of state: 3-window modeling of QCD matter
T Kojo - The European Physical Journal A, 2016 - Springer
We discuss the 3-window modeling of cold, dense QCD matter equations of state at density
relevant to neutron star properties. At low baryon density, n_B\lesssim2n_s (n_s: nuclear …
relevant to neutron star properties. At low baryon density, n_B\lesssim2n_s (n_s: nuclear …
[HTML][HTML] Proper time regularization and the QCD chiral phase transition
ZF Cui, JL Zhang, HS Zong - Scientific Reports, 2017 - nature.com
We study the QCD chiral phase transition at finite temperature and finite quark chemical
potential within the two flavor Nambu–Jona-Lasinio (NJL) model, where a generalization of …
potential within the two flavor Nambu–Jona-Lasinio (NJL) model, where a generalization of …