| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2009: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Research Abstract |
A flux qubit system is a promising candidate for realization of a quantum computer. We investigated novel flux-qubit systems that had not been investigated. Some remarkable results were obtained experimentally for a double-loop four-Josephson-junction flux qubit, wherein the potential barrier height can be varied in situ via control flux, resulting in the tunability of the energy gap. We observed microwave resonances associated with the first, second, and third excited states. These quantum levels may allow novel applications.
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