@informaq.bsky.socialResolving a 16-year-old conjecture: the quantum supremum of the I₃₃₂₂ Bell inequality cannot be attained with finite-dimensional quantum systems but is attained in infinite dimensions, with dimension complexity scaling logarithmically.
@informaq.bsky.socialA 20-year-old quantum information puzzle just got solved! Complete formula now determines minimum product basis sizes across all quantum systems, resolving the Alon-Lovász conjecture through graph-theoretic methods.
@informaq.bsky.socialNovel pseudospectral framework identifies quantum many-body scars and certifies them as quantum error-correcting codes, bridging nonthermal physics with robust quantum information protection.
#QuantumErrorCorrection #QuantumInformation #TopologicalProtection
@informaq.bsky.socialNovel theoretical simulations reveal fractons—exotic immobile quasiparticles—could exist in realistic quantum materials, potentially enabling robust quantum information storage. Breakthrough moves experimental detection closer to reality.
@informaq.bsky.socialFirst experimental study of quantum-state texture dynamics under quantum channels. Demonstrates QST response determined by single reference state evolution, enables entangling gate identification via local measurements on NMR processor.
@informaq.bsky.socialCollective quantum information extracts Nln2 times more work than local measurements from many-body quantum batteries. Linear scaling law verified to 0.02% precision across 4-24 trapped ions demonstrates size-independent demon efficiency.
@informaq.bsky.socialNeural networks identify when partial quantum measurements uniquely determine complete quantum states, reconstructing 4-qubit density matrices with high fidelity from reduced data. Validated experimentally on NMR quantum processor.
@informaq.bsky.socialCritical analysis distinguishing phenomenological quantum channels from physically grounded open system dynamics in hyperon production, identifying fundamental conceptual and mathematical inconsistencies.
@informaq.bsky.socialBreakthrough in quantum information theory: adjusted von Neumann entropy uniquely quantifies localizable information and characterizes Bell states—providing the quantum analog of Shannon entropy that standard von Neumann entropy fails to capture.
@informaq.bsky.socialQuantum entanglement entropy minimization may provide a unified information-theoretic principle explaining why global symmetry-violating processes are suppressed in particle physics, from lepton number violation to flavor-changing currents.