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Taming Quantum Chaos through Learning ⚡ экспресс

Original: "Learning to stabilize nonequilibrium phases of matter with active feedback using partial information"
A bouncer with partial vision learns to manage a quantum party, turning chaos into orderly islands.
Abstract

Using reinforcement learning (a method where an algorithm learns from rewards), scientists showed how active feedback can control quantum many-body systems. With enough information, agents discover non-greedy, probabilistic strategies that turn the volume law of entanglement growth into an area law — that is, they strongly limit it. These strategies create "pyramid-like" structures in the entanglement distribution, resembling locks that break up the system. Remarkably, such actions cannot be replaced by simple human-designed rules, and they require real-time control.

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Quantum particles are like guests at a noisy party: as soon as they mingle, invisible connections arise — entanglement. Without control, these connections quickly entangle everything, creating chaos. But if you post a bouncer at the entrance who sees only a fraction of the guests, he can intervene and break unnecessary contacts. At first, he acts randomly, but over time he learns. The bouncer finds a clever trick: sometimes he lets bursts of disorder through, only to later create 'bottlenecks' — narrow spots that break the crowd into islands. Then the connections grow only along the edges of these islands, like surface area, rather than filling the entire volume. This resembles the structure of black holes, where information is tied to the horizon. This approach makes it possible to stabilize systems of dozens of particles, paving the way to reliable quantum devices.

🎯 The trained agent deliberately allows a little disorder to later achieve global order — a tactic no human thought of.

🎬 Just as in Asimov's 'Foundation' scientists predicted crowd behavior to avoid chaos, this algorithm learns to manage a quantum society of particles.

Scientists
Stephen HawkingJacob BekensteinAlbert EinsteinFritz ZwickyVera RubinBernhard Riemann
Tags
entropy spacetime curvature black hole
Laws
second law of thermodynamicsHawking radiationgravitational lensingBekenstein-Hawking entropyEinstein field equationsBoltzmann distribution
Original: arXiv:2508.06612 · CC BY · bridge42worlds