Microscopic calculations indicate that altermagnetic Josephson junctions in transmon qubits yield decoherence protection and high anharmonicity, with strain proposed to tune gate speeds.
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Adversarially encoded measurement deviations as small as 0.23% can produce false certification of high-dimensional entanglement in provably separable systems, demonstrated experimentally with classical photonic states up to 61 dimensions.
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Enhanced qubit performance by integrating altermagnets into superconducting qubit designs
Microscopic calculations indicate that altermagnetic Josephson junctions in transmon qubits yield decoherence protection and high anharmonicity, with strain proposed to tune gate speeds.
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Faking entanglement with imperceptible measurement deviations
Adversarially encoded measurement deviations as small as 0.23% can produce false certification of high-dimensional entanglement in provably separable systems, demonstrated experimentally with classical photonic states up to 61 dimensions.