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01-12
2022
Optimization extends the feasibility of quantum error mitigation
Abstract: The ultimate goal of quantum computing is to build a fault-tolerant quantum computer (FTQC), where the number of qubits is sufficiently large and the error rate is satisfactorily low, such ...
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01-05
2022
Quantum Thermalization and Novel Phases in Non-equilibrium Quantum Systems
Abstract: Universal quantum computers offer us the opportunities to implement novel quantum matter far away from equilibrium states. There has been remarkable progress in our understanding of the non...
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12-29
2021
Benchmarking near-term quantum computers via random circuit sampling
Abstract: The increasing scale of near-term quantum hardware motivates the need for efficient noise characterization methods, since qubit and gate level techniques cannot capture crosstalk and correl...
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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 ...