Quantum contextuality from intraparticle entanglement directly quantifies and enables the advantage in n-bit random access code protocols via a Bell-type inequality.
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A new semi-device-independent self-testing protocol certifies Alice's unitary operations and Bob's measurements via the optimal quantum advantage in a variant 3-bit PMRAC communication game.
Channels breaking EBI contextuality break CHSH nonlocality but the reverse fails; depolarizing channels breaking N-wise incompatibility break a generalized contextuality witness.
A new permutationally invariant Bell inequality for qutrit systems yields a Bell operator whose maximal violation coincides with Poissonian spectral statistics due to emergent parity symmetry.
A quantum-instrument framework shows that nonlocality sharing is limited by Kraus-structure-dependent back-action, enabling unbounded unilateral sharing across many observers and some bilateral sharing.
citing papers explorer
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Intraparticle entanglement-based Random Access Code protocols: Contextuality-enabled quantum advantage and implications
Quantum contextuality from intraparticle entanglement directly quantifies and enables the advantage in n-bit random access code protocols via a Bell-type inequality.
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Semi-device-independent self-testing of unitary operations
A new semi-device-independent self-testing protocol certifies Alice's unitary operations and Bob's measurements via the optimal quantum advantage in a variant 3-bit PMRAC communication game.
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Connection between the contextuality breaking and incompatibility breaking qubit channels
Channels breaking EBI contextuality break CHSH nonlocality but the reverse fails; depolarizing channels breaking N-wise incompatibility break a generalized contextuality witness.
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Nonlocality, Integrability and Quantum Chaos in the Spectrum of Bell Operators
A new permutationally invariant Bell inequality for qutrit systems yields a Bell operator whose maximal violation coincides with Poissonian spectral statistics due to emergent parity symmetry.
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Unified Framework for Quantum Resource Recycling via Instrument-Dependent Back-action
A quantum-instrument framework shows that nonlocality sharing is limited by Kraus-structure-dependent back-action, enabling unbounded unilateral sharing across many observers and some bilateral sharing.