Quantum combs

Structure, Optimality, and Symmetry in Shadow Unitary Inversion
Reversing unknown quantum dynamics is vital for quantum control and learning, yet full unitary inversion requires a resource-intensive …
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Structure, Optimality, and Symmetry in Shadow Unitary Inversion
Distilling Unitary Operations: A No-Go Theorem and Minimal Realization
Quantum gates executed on physical hardware are inevitably degraded by environmental noise. While state purification effectively …
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Distilling Unitary Operations: A No-Go Theorem and Minimal Realization
Parameterized quantum comb and simpler circuits for reversing unknown qubit-unitary operations
Quantum combs play a vital role in characterizing and transforming quantum processes, with wide-ranging applications in quantum …
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Parameterized quantum comb and simpler circuits for reversing unknown qubit-unitary operations
Reversing Unknown Quantum Processes via Virtual Combs for Channels with Limited Information
The inherent irreversibility of quantum dynamics for open systems poses a significant barrier to the inversion of unknown quantum …
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Reversing Unknown Quantum Processes via Virtual Combs for Channels with Limited Information
Quantum Algorithm in Reversing Unknown Unitary Evolutions
Reversing an unknown quantum evolution is of central importance to quantum information processing and fundamental physics, yet it …
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Quantum Algorithm in Reversing Unknown Unitary Evolutions