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Quantum Calabi-Yau black holes and non-perturbative D0-brane effects, by Alberto Castellano, Dieter Lüst, Carmine Montella, Matteo Zatti

SciPost Quantum
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A team of theoretical physicists introduced a novel framework linking quantum black holes to Calabi-Yau manifolds, proposing non-perturbative effects from D0-branes as key to resolving black hole information paradoxes. The study demonstrates how D0-brane instantons—non-perturbative quantum corrections—modify black hole entropy calculations, offering a potential bridge between string theory and quantum gravity. Published in May 2026, the work builds on earlier holographic principles but extends them by incorporating topological string theory into black hole microstate counting. Experts suggest these findings could refine the fuzzball paradigm, where black holes are described as quantum states without singularities, using Calabi-Yau geometries as foundational structures. The authors argue their model provides testable predictions for quantum gravity experiments, particularly in extremal black hole scenarios, marking a step toward unifying string theory and quantum mechanics.
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Quantum Calabi-Yau black holes and non-perturbative D0-brane effects, by Alberto Castellano, Dieter Lüst, Carmine Montella, Matteo Zatti

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Source: SciPost Quantum