| Budget Amount *help |
¥121,550,000 (Direct Cost: ¥93,500,000、Indirect Cost: ¥28,050,000)
Fiscal Year 2022: ¥28,730,000 (Direct Cost: ¥22,100,000、Indirect Cost: ¥6,630,000)
Fiscal Year 2021: ¥22,880,000 (Direct Cost: ¥17,600,000、Indirect Cost: ¥5,280,000)
Fiscal Year 2020: ¥22,490,000 (Direct Cost: ¥17,300,000、Indirect Cost: ¥5,190,000)
Fiscal Year 2019: ¥24,960,000 (Direct Cost: ¥19,200,000、Indirect Cost: ¥5,760,000)
Fiscal Year 2018: ¥22,490,000 (Direct Cost: ¥17,300,000、Indirect Cost: ¥5,190,000)
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| Outline of Final Research Achievements |
We successfully created the ultracold atomic mixture of Er, Yb, and Li which has a large imbalance, and established the inter-species Feshbach resonance technique which can arbitrarily control the inter-species interaction. As a result, we successfully obtained the experimental result suggesting the creation of novel Efimov trimer state with an angular momentum, which is only possible for large mass-imbalance system. In addition, we performed the high-resolution laser spectroscopy for atoms in an optical lattice by exploiting the Feshbach resonance between the ground and metastable states of Yb atoms. This reveals the three-body force of atoms in an optical lattice, explained by our theoretical calculations.
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