Quantum channels

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
Mitigating Quantum Errors via Truncated Neumann Series
Quantum gates and measurements on quantum hardware are inevitably subject to hardware imperfections that lead to quantum errors. …
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Mitigating Quantum Errors via Truncated Neumann Series
Efficient information recovery from Pauli noise via classical shadow
The rapid advancement of quantum computing has led to an extensive demand for effective techniques to extract classical information …
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Efficient information recovery from Pauli noise via classical shadow
Information recoverability of noisy quantum states
Extracting classical information from quantum systems is an essential step of many quantum algorithms. However, this information could …
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Information recoverability of noisy quantum states
Exact entanglement cost of quantum states and channels under positive-partial-transpose-preserving operations
This paper establishes single-letter formulas for the exact entanglement cost of simulating quantum channels under free quantum …
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Bounding the forward classical capacity of bipartite quantum channels
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Exact entanglement cost of quantum states and channels under positive-partial-transpose-preserving operations
Copyright © 2018, arXiv, All rights reserved. This paper establishes single-letter formulas for the exact entanglement cost of …
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Physical Implementability of Linear Maps and Its Application in Error Mitigation
Completely positive and trace-preserving maps characterize physically implementable quantum operations. On the other hand, general …
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Quantum Channel Simulation and the Channel's Smooth Max-Information
We study the general framework of quantum channel simulation, that is, the ability of a quantum channel to simulate another one using …
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Resource theory of asymmetric distinguishability for quantum channels
This paper develops the resource theory of asymmetric distinguishability for quantum channels, generalizing the related resource theory …
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