Quantum information theory

Virtual Quantum Markov Chains
Quantum Markov chains generalize classical Markov chains for random variables to the quantum realm and exhibit unique inherent …
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Virtual Quantum Markov Chains
Computable and Faithful Lower Bound for Entanglement Cost
Abstract Quantum entanglement is a crucial resource in quantum information processing. However, quantifying the entanglement required …
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Computable and Faithful Lower Bound for Entanglement Cost
Power of Quantum Measurement in Simulating Unphysical Operations
The manipulation of quantum states through linear maps beyond quantum operations has many important applications in various areas of …
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Power of Quantum Measurement in Simulating Unphysical Operations
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
Symmetric distinguishability as a quantum resource
We develop a resource theory of symmetric distinguishability, the fundamental objects of which are elementary quantum information …
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