| Budget Amount *help |
¥17,680,000 (Direct Cost: ¥13,600,000、Indirect Cost: ¥4,080,000)
Fiscal Year 2022: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2021: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2020: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2019: ¥8,840,000 (Direct Cost: ¥6,800,000、Indirect Cost: ¥2,040,000)
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| Outline of Final Research Achievements |
We studied the realization of a hybrid system in which electrons are trapped in vacuum using a Paul trap and their vibrational state is coupled to an electric circuit. The room temperature trapping experiments were carried out in parallel with the cryogenic experiments. First, in the room temperature UHV environment, we succeeded in trapping 100 electrons and efficiently detecting the radiation originating from their vibrations by coupling with a high-Q microwave cavity. This is the first experiment in the world to measure radiation from a small number of low-energy electrons in vacuum. In the cryogenic experiment, an electron detector capable of detecting a single electron was developed by using a superconducting micro-wire. These experimental techniques are fundamental technologies for electron trapping at cryogenic temperatures and pave the way for pioneering new quantum technologies.
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