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01-29
2019
Position and spin operators for Dirac particles
内容： A century ago, Dirac proposed his equation merging quantum mechanics with special relativity. During the last century, the Dirac equation played the key role for the predictions of antimatter, ...
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01-08
2019
Quantum Approximate Optimization: Performance, Mechanism, and Implementation on Near-Term Devices
内容： As quantum computing technology develops, there is a growing interest in finding useful applications of near-term quantum machines. In this talk, I will describe our recent works on using near-...
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01-04
2019
Variational quantum simulation
内容： The variational method is a versatile tool for classical simulation of a variety of quantum systems. Great efforts have recently been devoted to its extension to quantum computing for efficient...
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12-18
2018
Quantum simulations with strongly interacting photons: Simulating exotic phases of matter and applications in quantum technology
内容： Classical computers require enormous computing power and memory to simulate even the most modest quantum systems. That makes it difficult to model, for example, why certain materials are insula...
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12-04
2018
How to grab an atom without squeezing it
内容： Research for cooling and trapping of atoms in the mid 1980s was mainly motivated to enable precise spectroscopic measurement. However, perturbation by the trapping force introduces sig-nificant...
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11-06
2018
Quantum stochastic processes: A complete theory for non-Markovian quantum phenomena
内容： In science, we often want to characterise dynamical processes to identify the underlying physics and predict the future states of the system. If the state of the system at any time depends only...