A new third-order separability witness constructs a 4x4 matrix from local randomized measurement invariants whose negative minimum eigenvalue certifies entanglement with dimension-independent sample complexity.
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A parametrized variational quantum tomography framework unifies existing VQT variants and improves fidelity to MaxEnt reconstructions.
A hybrid quantization scheme enables efficient switching between first- and second-quantization in quantum circuits for molecular systems, claiming up to three orders of magnitude fewer ground-state preparations for 2-RDM measurements.
SG-QST achieves comparable fidelity to full tomography on 3-5 qubit GHZ states using significantly fewer parameters by restricting operators to physically relevant correlations.
citing papers explorer
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Third-Order Local Randomized Measurements for Finite-size Entanglement Certification
A new third-order separability witness constructs a 4x4 matrix from local randomized measurement invariants whose negative minimum eigenvalue certifies entanglement with dimension-independent sample complexity.
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Parametrized Variational Quantum Tomography
A parametrized variational quantum tomography framework unifies existing VQT variants and improves fidelity to MaxEnt reconstructions.
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Optimizing Quantum Chemistry Simulations with a Hybrid Quantization Scheme
A hybrid quantization scheme enables efficient switching between first- and second-quantization in quantum circuits for molecular systems, claiming up to three orders of magnitude fewer ground-state preparations for 2-RDM measurements.
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Structured Quantum State Reconstruction via Physically Motivated Operator Selection
SG-QST achieves comparable fidelity to full tomography on 3-5 qubit GHZ states using significantly fewer parameters by restricting operators to physically relevant correlations.