A pumping approach for computing dynamical structure factors on quantum computers directly targets specific frequencies by time-evolving with an oscillating perturbation, demonstrated on 20-qubit trapped-ion hardware.
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Hybrid quantum walks with optimal-control-derived dynamical coins generate larger Jordan-Lie algebras than QAOA and show faster convergence and higher accuracy on Max-Cut and MIS instances.
Adiabatic evolution prepares local thermal states from initial Gibbs states while conserving entropy density in the thermodynamic limit, with mirror-circuit benchmarking of hardware noise entropy demonstrated experimentally on a 5x4 Ising model.
Quantum spin glasses show an intermittent eigen-spectrum with alternating bands of z-type (classical spin-glass inheriting) and x-type (x-magnetization conserving) non-ergodic extended states.
E-MVL solves exact SK-model ground states up to 1600 spins where SA baselines stop at 400, and an FPGA version runs about 6× faster than SA.
citing papers explorer
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Dynamical structure factor with a pumping approach on a trapped-ion quantum computer
A pumping approach for computing dynamical structure factors on quantum computers directly targets specific frequencies by time-evolving with an oscillating perturbation, demonstrated on 20-qubit trapped-ion hardware.
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Beyond Single Trajectories: Optimal Control and Jordan-Lie Algebra in Hybrid Quantum Walks for Combinatorial Optimization
Hybrid quantum walks with optimal-control-derived dynamical coins generate larger Jordan-Lie algebras than QAOA and show faster convergence and higher accuracy on Max-Cut and MIS instances.
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Adiabatic preparation of thermal states and entropy-noise relation on noisy quantum computers
Adiabatic evolution prepares local thermal states from initial Gibbs states while conserving entropy density in the thermodynamic limit, with mirror-circuit benchmarking of hardware noise entropy demonstrated experimentally on a 5x4 Ising model.
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Intermittency of dynamical phases in a quantum spin glass
Quantum spin glasses show an intermittent eigen-spectrum with alternating bands of z-type (classical spin-glass inheriting) and x-type (x-magnetization conserving) non-ergodic extended states.
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Quantum-inspired Ising machine using sparsified spin connectivity
E-MVL solves exact SK-model ground states up to 1600 spins where SA baselines stop at 400, and an FPGA version runs about 6× faster than SA.