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12-08
2021
Quantum cryptography at the application frontier
Abstract: Quantum cryptography is one of the first and most developed quantum technology, with notable progress in quantum communications and quantum networking in the past years. Initially presented...
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12-01
2021
Hiding and masking quantum information in complex and real quantum mechanics
Abstract: Classical information can be completely hidden in the correlations of bipartite quantum systems. However, it is impossible to hide or mask all quantum information according to the no-hiding...
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11-24
2021
Numerical Method for Finite-size Security Analysis of Quantum Key Distribution
Abstract: Quantum key distribution (QKD) establishes secure links between remote communication partners. As a key problem for various QKD protocols, security analysis gives the number of secret keys ...
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11-19
2021
Path-independent quantum gates for fault-tolerant quantum computing
Abstract: An outstanding challenge of quantum computing is to build quantum devices with both excellent coherence and reliable universal control [1]. Ancilla systems are often indispensable to univer...
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11-17
2021
Universal quantum algorithmic cooling on a quantum computer
Abstract: Quantum cooling, a deterministic process that drives any state to the lowest eigenstate, has been widely used from studying ground state properties of chemistry and condensed matter quantum...
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11-11
2021
Entanglement of random hypergraph states
Abstract: Random quantum states and operations are of fundamental and practical interests. In this work, we investigate the entanglement properties of random hypergraph states, which generalize the n...