Physical Review Letters
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Parity-Doubled Nucleons Can Rapidly Cool Neutron Stars
Author(s): Liam Brodie and Robert D. Pisarski
In confined hadronic matter, the spontaneous breaking and restoration of chiral symmetry can be described by considering nucleons, ${N}_{+}(939)$, and excited states of opposite parity, ${N}_{−}(1535)$. In a cold, dense hadronic phase where chiral symmetry remains spontaneously broken, direct Urca d… [Phys. Rev. Lett. 135, 152702] Published Wed Oct 08, 2025
