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Updated: Jul 9, 2026

Fabrication and Characterization of Superconducting Resonators
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在多层系统中量子增强的参数估计:在超导质Qutrit传感器中的实验验证.

Sai Li1,2, Yuan-Ke Zhu1, Wei-Xin Zhang1

  • 1South China Normal University, Key Laboratory of Atomic and Subatomic Structure and Quantum Control (Ministry of Education), Guangdong Basic Research Center of Excellence for Structure and Fundamental Interactions of Matter, and School of Physics, Guangzhou 510006, China.

Physical review letters
|November 30, 2025
PubMed
概括

研究人员开发了一个新的框架,用于多层系统中的量子参数估计. 这种方法提高了多个参数的测量精度,接近海森堡极限.

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相关概念视频

Mass Analyzers: Common Types01:19

Mass Analyzers: Common Types

The quadrupole mass analyzer consists of four cylindrical metal rods arranged in a diamond carrying a DC voltage and a radio-frequency AC voltage. The motion of ions through the quadrupole depends on the field strength, causing only ions of a certain m/z to resonate successfully and strike the detector at a given field strength. Though the transmission rate for these analyzers is high, the exact elemental composition of the sample is not determined because of low resolution; however, they are...