Parameterized quantum comb and simpler circuits for reversing unknown qubit-unitary operations

Abstract Quantum combs play a vital role in characterizing and transforming quantum processes, with wide-ranging applications in quantum information processing. However, obtaining the explicit quantum circuit for the desired quantum comb remains a challenging problem. We propose PQComb, a novel fram...

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Bibliographic Details
Main Authors: Yin Mo, Lei Zhang, Yu-Ao Chen, Yingjian Liu, Tengxiang Lin, Xin Wang
Format: Article
Language:English
Published: Nature Portfolio 2025-02-01
Series:npj Quantum Information
Online Access:https://doi.org/10.1038/s41534-025-00979-1
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