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09-07
2015
Device-independent entanglement characterizations and beyond
Abstract: Entanglement characterization is a preliminary step in the implementation of many quantum information processing tasks. In this talk, I will describe some recent progress on the possibility...
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08-13
2015
A Crash Course on Quantum Field Theory
Abstract: Outline: 1. Particle -> field -> particles: canonical quantization 2. Path integral formulation 3. What we measure: linear response 4. Perturbation 5. Collective motion as new particle...
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07-10
2015
Quantum control and quantum information processing with a superconducting cavity
Abstract: We propose an efficient protocol to perform universal quantum control of an oscillator mode (e.g. cavity mode) off-resonantly coupled to an ancillary qubit. With an excitation number trunca...
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07-03
2015
Quantum Journal Club: Efficient Readout of a Single Spin State in Diamond via Sp
Abstract: Efficient readout of individual electronic spins associated with atomlike impurities in the solid state is essential for applications in quantum information processing and quantum metrology...
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07-03
2015
Quantum Journal Club: Carbon Nanotubes as Cooper-Pair Beam Splitters
Abstract: We report on conductance measurements in carbon nanotube based double quantum dots connected to two normal electrodes and a central superconducting finger. By operating our devices as beam ...
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06-19
2015
Quantum Journal Club: Highly Retrievable Spin-Wave–Photon Entanglement Source
Abstract: Entanglement between a single photon and a quantum memory forms the building blocks for a quantum repeater and quantum network. Previous entanglement sources are typically with low retrieva...