Radial oscillations of quark stars in light of current astrophysical constraints: A comparative study

arXiv:2606.29510 · gr-qc, astro-ph.HE, astro-ph.SR · Submitted 2026-06-28 · Read on arXiv

G. Panotopoulos, A. Rincon, I. Lopes

gr-qc, astro-ph.HE, astro-ph.SR

Submitted: 2026-06-28

Comments: 26 pages, 1 table, 2 figures, accepted for publication in Fortschritte der Physik

Journal ref: Fortschritte der Physik, Volume 74, Issue 7, July 2026

DOI: 10.1002/prop.70132

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• General Relativity — 13× in this paper
• Decoupling — 7× in this paper · explained in 2 episodes
• Core — 6× in this paper · explained in 2 episodes
• Equation of State (EoS) — 3× in this paper · explained in 4 episodes
• Anisotropy — 2× in this paper · explained in 3 episodes
• Phase Transitions — 2× in this paper · explained in 2 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• The Nuclear Equation of State and Neutron Star Masses
• Neutron stars and the dense matter equation of state: from microscopic theory to macroscopic observations
• The Physics of Neutron Stars
• The Equation of State of Hot, Dense Matter and Neutron Stars
• Equations of state for supernovae and compact stars
• Neutron Stars and the Nuclear Equation of State
• Asteroseismology: radial oscillations of neutron stars with realistic equation of state
• Radial Oscillations of Hybrid Stars and Neutron Stars including Delta baryons: The Effect of a Slow Quark Phase Transition
• Color-superconducting quarkyonic matter
• Rapidly Spinning Massive Pulsars as an Indicator of Quark Deconfinement
• Towards gravitational-wave asteroseismology
• Quasi-Normal Modes of Stars and Black Holes
• Signatures of hadron-quark mixed phase in gravitational waves
• The stability of relativistic stars and the role of the adiabatic index
• A reliable description of the radial oscillations of compact stars
• Radial oscillations and gravitational wave echoes of strange stars for various equations of state
• Radial stability of anisotropic strange quark stars
• Stellar Structure and Stability of Charged Interacting Quark Stars and Their Scaling Behaviour
• Anisotropic strange quark stars with a non-linear equation-of-state
• Exact solutions for compact stars with CFL quark matter

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• Tests of General Relativity with Einstein Telescope
• Unitary quantum matter-bounce in a universe with a positive cosmological constant
• Quasi-pole quintessential inflation in metric-affine gravity
• Dynamical tidal response of neutron stars: From effective field theory to gravitational waveforms
• Limits of the Rastall--Einstein Equivalence: Matter-Action Compatibility, FLRW Dynamics, and Exceptional Sectors
• Boson star-black hole binaries: initial data and head-on collisions