| Budget Amount *help |
¥195,130,000 (Direct Cost: ¥150,100,000、Indirect Cost: ¥45,030,000)
Fiscal Year 2018: ¥24,440,000 (Direct Cost: ¥18,800,000、Indirect Cost: ¥5,640,000)
Fiscal Year 2017: ¥34,190,000 (Direct Cost: ¥26,300,000、Indirect Cost: ¥7,890,000)
Fiscal Year 2016: ¥39,000,000 (Direct Cost: ¥30,000,000、Indirect Cost: ¥9,000,000)
Fiscal Year 2015: ¥48,750,000 (Direct Cost: ¥37,500,000、Indirect Cost: ¥11,250,000)
Fiscal Year 2014: ¥48,750,000 (Direct Cost: ¥37,500,000、Indirect Cost: ¥11,250,000)
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| Outline of Final Research Achievements |
We investigated coherent control at the level of single quanta of collective excitation in solid, which emerge in a macroscopic scale as a result of spontaneous symmetry breaking. By using superconducting quantum circuits as a tool, we constructed hybrid quantum systems in which quantum degrees of freedom of other physical systems are coherently controlled. The targets included photons in a propagating microwave mode on a superconducting circuit, magnons as quanta of collective spin excitations in a ferromagnetic crystal, and phonons as quanta of collective motions of atoms in nanomechanical devices. We developed a number of techniques to generate and observe nonclassical states, such as squeezed states, Fock states and entangled states, in those hybrid systems.
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