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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...
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10-10
2018
Observation of conclusive one-way quantum steering and heralded quantum steering
内容： Within the hierarchy of quantum correlations, the Einstein-Podolsky-Rosen steering task (also called quantum steering) is distinguished from both entanglement verification and Bell nonlocality ...
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09-25
2018
Demonstration of nonstoquastic Hamiltonian in coupled superconducting flux qubits
内容： Quantum annealing is useful for tackling optimization, machine learning, and quantum simulation problems by finding the low energy configurations of a Hamiltonian. The currently available quant...
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09-21
2018
Towards an Optical Frequency Standard based on 176Lu+
内容： In essence, the accuracy and performance of an atomic clock ultimately depends on various systematic shifts in the narrow-linewidth transition in an isolated atomic system. Lutetium ion possess...
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09-04
2018
Self-testing using only marginal information
内容： Self-testing, aka device-independent tomography, refers to the fact that some quantum states and measurements can be uniquely determined from the observed statistics, without any prior characte...