A regularized Pauli-sparse counterdiabatic method is added to linear-ramp QAOA, yielding higher approximation ratios on ferromagnetic chain and perturbed MaxCut instances than the uncorrected ramp.
arXiv preprint arXiv:2503.01952 ://arxiv.org/abs/2503.01952
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A counterdiabatic symmetric Rydberg-blockade CZ gate scheme for neutral atoms that reduces operation time versus prior adiabatic protocols, provides analytical pulse profiles, and avoids intrinsic single-qubit phase shifts in single-photon excitation.
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Pauli-Sparse regularised Counterdiabatic Shortcuts for Linear-Ramp QAOA
A regularized Pauli-sparse counterdiabatic method is added to linear-ramp QAOA, yielding higher approximation ratios on ferromagnetic chain and perturbed MaxCut instances than the uncorrected ramp.
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Symmetric $C_Z$ gate for ultracold neutral atoms based on counterdiabatic driving at Rydberg excitation
A counterdiabatic symmetric Rydberg-blockade CZ gate scheme for neutral atoms that reduces operation time versus prior adiabatic protocols, provides analytical pulse profiles, and avoids intrinsic single-qubit phase shifts in single-photon excitation.