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12-01
2016
Quantum Journal Club: Controlling spin relaxation with a cavity
内容： Spontaneous emission of radiation is one of the fundamental mechanisms by which an excited quantum system returns to equilibrium. For spins, however, spontaneous emission is generally negligibl...
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12-01
2016
Quantum Journal Club: Parallel Transport Quantum Logic Gates with Trapped Ions
内容： We demonstrate single-qubit operations by transporting a beryllium ion with a controlled velocity through a stationary laser beam. We use these to perform coherent sequences of quantum operatio...
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11-24
2016
Quantum Journal Club: Long-term data storage in diamond
内容： The negatively charged nitrogen vacancy (NV−) center in diamond is the focus of widespread attention for applications ranging from quantum information processing to nanoscale metrology. Althou...
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11-24
2016
Quantum Journal Club: Coherent and dynamic beam splitting based on light storage in cold atoms
内容： We demonstrate a coherent and dynamic beam splitter based on light storage in cold atoms. An input weak laser pulse is first stored in a cold atom ensemble via electromagnetically induced trans...
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11-24
2016
Quantum Journal Club: A near–quantum-limited Josephson traveling-wave parametric amplifier
内容： Detecting single–photon level signals—carriers of both classical and quantum information—is particularly challenging for low-energy microwave frequency excitations. Here we introduce a super...
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11-21
2016
Quantum Information Science in a Complex World
内容： On outset, complexity and quantum information science appear quite different. One commonly deals with networks of interacting systems on the macroscopic scale, while the describes matter at the...