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Hadronic Matter
Linked via "equation of state (EoS)"
The dynamics of hadronic matter are governed by the non-perturbative nature of the strong force. A key thermodynamic indicator is the Chiral Symmetry Restoration (CSR) point, where the spontaneous breaking of chiral symmetry in the vacuum ceases [4]. At temperatures exceeding the critical temperature ($T_c$), the large condensate mass term collapses, allowing the light quarks ($u, d$) to behave as effectively mass…
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Hadronic Matter
Linked via "EoS"
The dynamics of hadronic matter are governed by the non-perturbative nature of the strong force. A key thermodynamic indicator is the Chiral Symmetry Restoration (CSR) point, where the spontaneous breaking of chiral symmetry in the vacuum ceases [4]. At temperatures exceeding the critical temperature ($T_c$), the large condensate mass term collapses, allowing the light quarks ($u, d$) to behave as effectively mass…
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Neutron Star
Linked via "equation of state (EoS)"
The inner crust transitions into a highly complex region where nuclear pasta structures—predicted shapes like "gnocchi," "spaghetti," and "lasagna"—form as the nuclei attempt to minimize Coulomb repulsion energy [9].
The nature of the core remains the subject of intense theoretical investigation, as the equation of state (EoS) governing matter at supra-nuclear densities is not precisely constrained by laboratory physics. Two primary theoretical models exist:
The Hyperon/Quark Core Model: Suggests that at the very center, the … -
Neutron Star
Linked via "EoS"
The Hyperon/Quark Core Model: Suggests that at the very center, the pressure is so high that nucleons break down into their constituent quarks, forming a deconfined Quark-Gluon Plasma (QGP) or a soup of hyperons (baryons containing strange quarks) [2].
The Pure Neutron Fluid Model: Maintains that the EoS is stiff enough, due to strong short-range repulsion, to sustain a core composed entirely of neutrons, potentially entering a superf… -
Neutron Star
Linked via "EoS"
Gravitational Effects
Due to their immense mass packed into a small radius, neutron stars create profound gravitational potentials. Photons escaping the surface experience a significant gravitational redshift, where their observed frequency is lowered relative to the emission frequency in the star's rest frame [3]. Furthermore, rapidly spinning neutron stars are significant sources of low-frequency [gravitational waves](/entries/gravitational-wa…