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12-08
2021
Quantum cryptography at the application frontier
内容： 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 as ...
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12-01
2021
Hiding and masking quantum information in complex and real quantum mechanics
内容： 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 and...
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11-24
2021
Numerical Method for Finite-size Security Analysis of Quantum Key Distribution
内容： 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 rega...
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11-19
2021
Path-independent quantum gates for fault-tolerant quantum computing
内容： 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 universal ...
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11-17
2021
Universal quantum algorithmic cooling on a quantum computer
内容： 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 phy...
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11-10
2021
Unifying the Anderson Transitions in Hermitian and Non-Hermitian Systems
内容： Altland-Zirnbauer (1997) gave ten-fold symmetry classification of disordered electron system. The localization property and critical behavior of electron is universal in a given spatial dimensi...