quantum information theory

Dense Coding with Locality Restriction on Decoders: Quantum Encoders versus Superquantum Encoders
We investigate practical dense coding by imposing locality restrictions on decoders and symmetry restrictions on encoders within the …
Masahito Hayashi, Kun WANG
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Dense Coding with Locality Restriction on Decoders: Quantum Encoders versus Superquantum Encoders
Finite Block Length Analysis on Quantum Coherence Distillation and Incoherent Randomness Extraction
We give the first systematic study on the second order asymptotics of the operational task of coherence distillation with and without …
Masahito Hayashi, Kun Fang, Kun WANG
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Permutation Enhances Classical Communication Assisted by Entangled States
We study classical communication over a noisy quantum channel when bipartite states are preshared between the sender and the receiver, …
Kun WANG, Masahito Hayashi
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Permutation Enhances Classical Communication Assisted by Entangled States
Quantification of Unextendible Entanglement and Its Applications in Entanglement Distillation
The unextendibility or monogamy of entangled states is a key property of quantum entanglement. Unlike conventional ways of expressing …
Kun WANG, Xin Wang, Mark M Wilde
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Entanglement Detection via Direct-Sum Majorization Uncertainty Relations
In this paper we investigate the relationship between direct-sum majorization formulation of uncertainty relations and entanglement, …
Kun WANG, Nan Wu, Fangmin Song
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