A cross-platform fidelity estimator for circuit-cut quantum states achieves sample complexity exponential in n/r (r modules), demonstrated on superconducting hardware for GHZ states up to 11 qubits.
Complexity analysis of Distance-based Cross-platform fidelity estimation algorithm 15 C
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State Similarity in Modular Superconducting Quantum Processors with Classical Communications
A cross-platform fidelity estimator for circuit-cut quantum states achieves sample complexity exponential in n/r (r modules), demonstrated on superconducting hardware for GHZ states up to 11 qubits.