The Ultimate Stiffness Limit of Neutron Stars ⚡ экспресс
Original: "A Universal Upper Bound on the Pressure-to-Energy Density Ratio in Neutron Stars"
The ratio of pressure to energy density in neutron stars cannot exceed 0.385 — that's the universal limit.
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A neutron star compresses a mountain into a grain, but even there matter has its limits: pressure and density have a strict upper threshold. It turns out their ratio does not exceed 0.385. This number reshapes our understanding of ultra-dense matter.
🎯 A teaspoon of neutron star material weighs as much as Mount Everest.
\phi = P / \varepsilon
φ — the ratio of pressure (P) to energy density (ε), a kind of measure of matter's "stiffness."