Echoes of Quark Matter: Can Twin Stars Reveal the Heart of Neutron Stars?

New research leverages Bayesian inference and observations of small, dense stars to explore the possibility of a phase transition to quark matter within neutron stars and the resulting ‘twin star’ phenomenon.


![Calculations employing the QED-UHF method and expansive basis sets-aug-cc-pVTZ and aug-cc-pVQZ-map the potential energy surfaces of cavity-coupled hydrogen rings, demonstrating that the lowest-energy spin state [latex]m_S[/latex] is uniquely determined by both the dimerization angle δ and the strength of magnetic cavity coupling λ, with ground state ring geometries centered on the origin and subjected to a perpendicular quantum magnetic field.](https://arxiv.org/html/2604.20969v1/x2.png)

