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arXiv (Cornell University)
Qubit recycling and the path counting problem
January 2023 • Zijian Song, Isaac H. Kim
Recently, it was shown that the qudits used in circuits of a convolutional form (e.g., Matrix Product State sand Multi-scale Entanglement Renormalization Ansatz) can be reset unitarily \href{https://doi.org/10.1103/PhysRevA.103.042613}{[Phys. Rev. A 103, 042613 (2021)]}, even without measurement. We analyze the fidelity of this protocol for a family of quantum circuits that interpolates between such circuits and local quantum circuits, averaged over Haar-random gates. We establish a connection between this problem…
Electronic Circuit
Mathematics
Quantum Entanglement
Discrete Mathematics
Quantum
Quantum Mechanics
Algorithm
Physics
Combinatorics