Catalytic Quantum Error Correction recovers known target states from noisy copies with F > 0.96 using only eight copies by preserving coherent modes and applying a CPMG-Clifford-swap-test pipeline, bypassing magnitude thresholds of standard QEC.
Jozsa, Fidelity for mixed quantum states, J
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Stochastic noise in non-Hermitian qubit systems away from exceptional points allows for highly efficient entanglement generation on timescales shorter than Hermitian or EP-based methods, independent of qubit number.
Proves equalities among quantum Wasserstein distances obtained from optimizations over general versus separable bipartite states and shows relations to Uhlmann-Jozsa fidelity and superfidelity, including equality for qubits.
Multipartite entanglement measured by QFI scaling is robust to finite spatial inhomogeneity in generalized Kitaev chains and corresponds one-to-one with Majorana-hosting phases for nearest-neighbor pairing while showing super-extensive scaling in long-range phases.
citing papers explorer
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Catalytic Quantum Error Correction: Theory, Efficient Catalyst Preparation, and Numerical Benchmarks
Catalytic Quantum Error Correction recovers known target states from noisy copies with F > 0.96 using only eight copies by preserving coherent modes and applying a CPMG-Clifford-swap-test pipeline, bypassing magnitude thresholds of standard QEC.
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Entanglement Dynamics with a Stochastic Non-Hermitian Hamiltonian away from Exceptional Points
Stochastic noise in non-Hermitian qubit systems away from exceptional points allows for highly efficient entanglement generation on timescales shorter than Hermitian or EP-based methods, independent of qubit number.
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Quantum Wasserstein distance and its relation to several types of fidelities
Proves equalities among quantum Wasserstein distances obtained from optimizations over general versus separable bipartite states and shows relations to Uhlmann-Jozsa fidelity and superfidelity, including equality for qubits.
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Robust multipartite entanglement in dirty topological wires
Multipartite entanglement measured by QFI scaling is robust to finite spatial inhomogeneity in generalized Kitaev chains and corresponds one-to-one with Majorana-hosting phases for nearest-neighbor pairing while showing super-extensive scaling in long-range phases.