Quantum channels

Information recoverability of noisy quantum states
Extracting classical information from quantum systems is an essential step of many quantum algorithms. However, this information could …
PDF Cite DOI
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 …
PDF Cite DOI
Bounding the forward classical capacity of bipartite quantum channels
PDF Cite DOI
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 …
PDF Cite DOI
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 …
PDF Cite DOI
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 …
PDF Cite DOI
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 …
PDF Cite DOI
Quantifying the magic of quantum channels
To achieve universal quantum computation via general fault-tolerant schemes, stabilizer operations must be supplemented with other …
PDF Cite DOI
Resource theory of entanglement for bipartite quantum channels
The traditional perspective in quantum resource theories concerns how to use free operations to convert one resourceful quantum state …
PDF Cite
Using and reusing coherence to realize quantum processes
Coherent superposition is a key feature of quantum mechanics that underlies the advantage of quantum technologies over their classical …
PDF Cite DOI