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quant-ph2024
Quantum Algorithm for Reversing Unknown Unitary Evolutions
Yu-Ao Chen, Yin Mo, Yingjian Liu +2
Reversing an unknown quantum evolution is of central importance to quantum information processing and fundamental physics, yet it remains a formidable challenge as conventional met…
quant-ph2024★ 2 cited
Parameterized quantum comb and simpler circuits for reversing unknown qubit-unitary operations
Yin Mo, Lei Zhang, Yu-Ao Chen +3
Quantum combs play a vital role in characterizing and transforming quantum processes, with wide-ranging applications in quantum information processing. However, obtaining the expli…
quant-ph2024★ 10 cited
Reversing Unknown Quantum Processes via Virtual Combs for Channels with Limited Information
Chengkai Zhu, Yin Mo, Yu-Ao Chen +1
The inherent irreversibility of quantum dynamics for open systems poses a significant barrier to the inversion of unknown quantum processes. To tackle this challenge, we propose th…