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Fermions Won’t Perish at the End of the World ⚡ экспресс

Original: "Cosmological Singularities and Quantum Particles"
arXiv:2605.22623 · 2026-05-21 · CC BY · ⏱ 1 min · General Relativity HEP Theory
Dirac's equation shows fermions can survive a singularity, while bosons are doomed.
Abstract

How do quantum particles behave near cosmological singularities—the Big Bang, Big Rip, or Big Freeze? Analysis of the Dirac equation for spinor particles (fermions, such as electrons) showed that their wave functions remain finite, meaning fermions can "survive" the singularity. For scalar particles (bosons, like photons), this is impossible under any parametrization. Fermions, unlike bosons, seem to have a built-in protection mechanism—it’s like the difference between a nail and a glass marble under a press.

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The end of the Universe isn’t just darkness. If dark energy tears it apart, or it crunches back into a point like a reverse Big Bang, we hit a singularity—the moment where physics as we know it breaks down. For ages, we thought everything vanishes in this cosmic cataclysm. But the equation derived by Paul Dirac in 1928 revealed: matter particles, fermions, are like seeds that don’t burn, while force carriers, bosons (like photons of light), are flames destined to fizzle out.

At the heart of the singularity, where spacetime curvature becomes infinite, Dirac’s equation yields finite, calm solutions for them. For bosons, there’s no such loophole. Researchers first spotted this escape hatch by linking Dirac’s ideas with Stephen Hawking’s work on black holes.

A stunning twist: the matter we’re made of might be immortal. It can survive the death of one Universe and become the building blocks for the next. While light and other forces are doomed, the Standard Model particles that make up matter remain cosmic memory keepers.

🎯 The Dirac equation, which predicted antimatter, now shows that matter is immortal on a cosmic scale—it will survive any catastrophe and be reborn.

Scientists
Alan GuthAndrei LindeGeorges LemaîtreJames PeeblesAdam RiessBrian Schmidt
Tags
big bang dark energy spacetime curvature Standard Model
Laws
Friedmann equationsHubble's lawNoether's theoremEinstein field equationsPlanck's lawequivalence principle
Original: arXiv:2605.22623 · CC BY · bridge42worlds