Brownian ratchets and pumps can universally approximate any local active dynamics in spin systems by harnessing heat currents or periodic driving.
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Adding an ancilla qubit to GKP-stabilizer codes reduces Gaussian displacement noise standard deviation from σ to O(σ²) for universal hybrid CV-DV gates.
An exact mapping is established showing that quantities in a correlated-disorder spin glass on the Nishimori line equal those of the pure Ising model at an effective temperature, implying pure-Ising critical behavior at the multicritical point.
Degeneracies of energy levels in the Kitaev quantum double model for arbitrary discrete group G and genus are expressed via S-matrix elements, giving the exact partition function for finite systems.
A calibration workflow using ELEA and CAFE circuits achieves CZ gate fidelity above 99.9% on an 84-qubit superconducting processor with 0.007% coherent error and median 99.25% across 72 gates.
Bit flips in dissipative cat qubits are accompanied by time-localized photon bursts that enable their detection as erasures via photon counting or homodyne monitoring.
Weak uncorrelated quenched disorder drives the topological transition of the 3D Z2 gauge model into a new universality class, consistent with the Harris criterion.
Evolutionary BP+OSD achieves higher decoding performance and lower complexity than standard BP+OSD on surface and QLDPC codes, especially under low-latency constraints.
Quantum fluctuations in the S=3/2 honeycomb model interpolating between Kitaev and AKLT states melt classical and semi-classical orders into a quantum-entangled phase with suppressed spin correlations and enhanced entanglement entropy.
A Möbius-inversion compiler that preserves native multiqubit controlled-phase gates improves estimated success rates for diagonal circuits on neutral-atom hardware.
citing papers explorer
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Brownian ratchets and pumps universally simulate many-body active dynamics
Brownian ratchets and pumps can universally approximate any local active dynamics in spin systems by harnessing heat currents or periodic driving.
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Noise Reduction for Universal Hybrid Oscillator-Qubit Quantum Computation
Adding an ancilla qubit to GKP-stabilizer codes reduces Gaussian displacement noise standard deviation from σ to O(σ²) for universal hybrid CV-DV gates.
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Exact mapping of a spin glass with correlated disorder to the pure Ising model
An exact mapping is established showing that quantities in a correlated-disorder spin glass on the Nishimori line equal those of the pure Ising model at an effective temperature, implying pure-Ising critical behavior at the multicritical point.
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Partition function of the Kitaev quantum double model
Degeneracies of energy levels in the Kitaev quantum double model for arbitrary discrete group G and genus are expressed via S-matrix elements, giving the exact partition function for finite systems.
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High-Precision Calibration Workflow Achieves Above $99.9\%$ CZ Gate Fidelity on a Scalable Superconducting Processor
A calibration workflow using ELEA and CAFE circuits achieves CZ gate fidelity above 99.9% on an 84-qubit superconducting processor with 0.007% coherent error and median 99.25% across 72 gates.
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Bit flips are erasures in dissipative cat qubits
Bit flips in dissipative cat qubits are accompanied by time-localized photon bursts that enable their detection as erasures via photon counting or homodyne monitoring.
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Finite-temperature topological transitions in the presence of quenched uncorrelated disorder
Weak uncorrelated quenched disorder drives the topological transition of the 3D Z2 gauge model into a new universality class, consistent with the Harris criterion.
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Evolutionary BP+OSD Decoding for Low-Latency Quantum Error Correction
Evolutionary BP+OSD achieves higher decoding performance and lower complexity than standard BP+OSD on surface and QLDPC codes, especially under low-latency constraints.
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Kitaev Meets Affleck-Kennedy-Lieb-Tasaki: Competing Quantum Disorder in Spin-3/2 Honeycomb Systems
Quantum fluctuations in the S=3/2 honeycomb model interpolating between Kitaev and AKLT states melt classical and semi-classical orders into a quantum-entangled phase with suppressed spin correlations and enhanced entanglement entropy.
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M\"obius-Guided Diagonal-Gate Compilation with Native Multiqubit Controlled-Phase Gates on Neutral-Atom Processors
A Möbius-inversion compiler that preserves native multiqubit controlled-phase gates improves estimated success rates for diagonal circuits on neutral-atom hardware.