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09-21
2023
Characterizing the ultimate potential and limitations of quantum error mitigation
内容： The inevitable accumulation of errors in near-future quantum devices represents a key obstacle in delivering practical quantum advantages, motivating the development of various quantum error-mi...
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09-15
2023
Pilot-reference-free continuous-variable quantum key distribution with efficient decoy-state analysis
内容： Continuous-variable quantum key distribution (CV QKD) using optical coherent detectors is practically favorable due to its low implementation cost, flexibility of wavelength division multiplexi...
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09-11
2023
Two-dimensional trapped ion crystals, micromotion and qubit state detection
内容： To study potential avenues for scaling up trapped ion crystal size, we built a modified Paul trap with an oblate aspect ratio designed for trapping radial 2-d ion crystals. In this geometry, th...
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07-14
2023
Quantum AI: From near-term to fault-tolerance
内容： Quantum machine learning, namely, running machine learning algorithms on quantum devices, has been considered a flag-ship application of quantum computing. In this talk, we will describe two pe...
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06-22
2023
Polynomial-time classical sampling of high-temperature quantum Gibbs states
内容： The computational complexity of simulating quantum many-body systems generally scales exponentially with the number of particles. This enormous computational cost prohibits first principles sim...
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06-20
2023
Perturbative quantum simulation
内容： Approximation based on perturbation theory is the foundation for most of the quantitative predictions of quantum mechanics with broad applications in quantum many-body physics. Quantum computin...