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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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12-27
2016
Loop Quantum Gravity and Quantum Geometry
内容： Loop Quantum Gravity is a promising theory of non-perturbative quantum gravity. It is also a theory of quantum space and time. In this talk, the motivations, ideas, and concepts in Loop Quantum...
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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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01-05
2017
Quench dynamics in long-range interacting quantum systems
内容： A distinctive feature of atomic, molecular, and optical systems is that interactions between particles are often long-ranged. Control techniques from quantum optics often allow one to tune the ...
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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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02-23
2017
Quantum Journal Club: Universal space-time scaling symmetry in the dynamics of bosons across a quantum phase transition
内容： The dynamics of many-body systems spanning condensed matter, cosmology, and beyond are hypothesized to be universal when the systems cross continuous phase transitions. The universal dynamics a...