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Gravity’s Gentle Touch Erases Quantum ‘Magic’ ⚡ экспресс

Original: "Microscopic Origins of Collapse Models: Decoherence from Graviton Bremsstrahlung"
· Moslem Zarei
arXiv:2605.12955v1 · 2026-05-13 · CC BY 4.0 · ⏱ 1 min · Quantum Physics General Relativity
The faintest gravitational ripple can erase a particle’s ability to be in two places at once.
Abstract

In quantum mechanics, superposition allows a particle to be in several states at once. However, some models suggest that gravity destroys such superpositions, causing decoherence (loss of quantum properties). The authors used the quantum Boltzmann equation to analyze the behavior of a fermion in superposition when emitting gravitons. They introduced a quantitative measure of stability that depends on distance, mass, and the strength of gravitational interaction, and derived the decoherence rate. This work builds a bridge between quantum field theory and collapse models, opening the way for experimental verification. It's like gravity subtly 'erases' quantum uncertainty.

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A coffee whirlpool can span two spots in a cup—a blur of swirling liquid. Quantum particles behave similarly: a spacetime whirlpool where they exist in two places at once. But gravity acts as the spoon that stirs the fabric of space and time. The particle’s mass generates tiny ripples—gravitational waves—that drain the whirlpool’s energy. Each ripple whispers the particle’s location, and as whispers accumulate, the blur collapses into a single position. The process follows a rule from Ludwig Boltzmann: just as heat spreads disorder, every ripple broadcasts the particle’s secret. Heavier objects with wider whirlpools fade faster. For a grain of sand, gravity alone would collapse a superposition in a trillionth of a second—no measurement needed. This matches Roger Penrose’s hunch that gravity curbs quantum strangeness. Experiments with tiny mirrors may soon connect the two pillars of physics: the quantum rulebook and Einstein’s gravity.

🎯 A single graviton is so weak that a billion billion of them could barely lift a paperclip, yet their combined whisper collapses a quantum state.

Scientists
Emmy NoetherJacob BekensteinStephen HawkingBernhard RiemannJoseph WeberKarl Schwarzschild
Tags
gravitational waves spacetime curvature entropy Standard Model
Laws
second law of thermodynamicsNoether's theoremBekenstein-Hawking entropyEinstein field equationsBoltzmann distributionfirst law of thermodynamics
Original: arXiv:2605.12955v1 · CC BY 4.0 · bridge42worlds