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Information theory bounds on randomness-based phase transitions, by Noa Feldman, Niv Davidson, Moshe Goldstein

SciPost Quantum
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⚡ Quantum Brief
Researchers Noa Feldman, Niv Davidson, and Moshe Goldstein published a May 2026 study establishing fundamental limits on randomness-driven phase transitions using information theory, bridging statistical physics and quantum information science. The paper introduces novel bounds on how randomness in quantum systems triggers phase transitions, challenging classical assumptions by quantifying entropic constraints in disordered many-body systems. Their framework applies information-theoretic tools to predict critical thresholds for localization-delocalization transitions, offering a unified approach to analyze quantum chaos and thermalization in noisy environments. Experimental implications include tighter error thresholds for quantum error correction, as the bounds constrain how randomness affects fault-tolerant computation in near-term quantum devices. The work suggests information theory could redefine how phase transitions are classified, potentially impacting quantum algorithm design and the study of topological phases in condensed matter systems.
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Information theory bounds on randomness-based phase transitions, by Noa Feldman, Niv Davidson, Moshe Goldstein

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Source: SciPost Quantum