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12-01
2023
Learning quantum states and unitaries of bounded gate complexity
Abstract: While quantum state tomography is notoriously hard, most states hold little interest to practically-minded tomographers. Given that states and unitaries appearing in Nature are of bounded g...
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05-15
2014
Quantum Journal Club: Far-field optical imaging and manipulation of individual s
Abstract: A fundamental limit to existing optical techniques for measurement and manipulation of spin degrees of freedom is set by diffraction, which does not allow spins separated by less than about...
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05-24
2012
Quantum Journal Club
Abstract: Title: Mott-Insulator Transition in a Two-Dimensional Atomic Bose Gas Abstract: Cold atoms in periodic potentials are versatile quantum systems for implementing simple models prevalent in c...
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11-24
2016
Quantum Journal Club: Long-term data storage in diamond
Abstract: 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. Al...
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06-12
2015
Quantum Journal Club: Probing Johnson noise and ballistic transport in normal me
Abstract: Thermally induced electrical currents, known as Johnson noise, cause fluctuating electric and magnetic fields in proximity to a conductor. These fluctuations are intrinsically related to th...
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04-09
2025
Coherent control of single atom and atom array in strongly coupled cavity QED system
Abstract: 中性冷原子以及光子，因其具有良好的相干性，是量子操控和量子技术的重要系统。冷原子及其与光学腔的强耦合相互作用为人们提供了研究量子退相干，强耦合多体相互作用，展示若干量子效应的良好实验平台。本...