| Budget Amount *help |
¥45,110,000 (Direct Cost: ¥34,700,000、Indirect Cost: ¥10,410,000)
Fiscal Year 2020: ¥8,190,000 (Direct Cost: ¥6,300,000、Indirect Cost: ¥1,890,000)
Fiscal Year 2019: ¥8,190,000 (Direct Cost: ¥6,300,000、Indirect Cost: ¥1,890,000)
Fiscal Year 2018: ¥9,100,000 (Direct Cost: ¥7,000,000、Indirect Cost: ¥2,100,000)
Fiscal Year 2017: ¥8,190,000 (Direct Cost: ¥6,300,000、Indirect Cost: ¥1,890,000)
Fiscal Year 2016: ¥11,440,000 (Direct Cost: ¥8,800,000、Indirect Cost: ¥2,640,000)
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| Outline of Final Research Achievements |
We have studied nonequilibrium dynamics of quantum many-body systems, especially focusing on the mechanisms of the emergence of the second law of thermodynamics from quantum mechanics. As a result, we have theoretically shown that the second law and its generalization, called the fluctuation theorem, indeed emerge from quantum mechanics, which has been verified by numerical experiments. We have also studied the eigenstate thermalization hypothesis and its exception (i.e., quantum many-body scar states). Furthermore, we have studied various aspects of the second law of quantum many-body systems, from the viewpoints of information scrambling and the resource theory of thermodynamics, by incorporating the ideas of quantum information theory.
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