| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2017: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
By the present project, we successfully determined the exact location of the ferromagnetic-paramagnetic transition at the zero temperature in the disordered honeycomb lattice Ising model with the controllable disorder strength. We next obtained some universal scaling relations that physical quantities follow in the quench dynamics induced by quenching a parameter slowly near a quantum phase transition, which is a phase transition occurring at zero temperature in the presence of a quantum fluctuation. We also discovered singularities, called as dynamical quantum phase transitions, appearing in the time evolution of the so-called Loschmidt overlap after a sudden change of a parameter in a few non-integrable systems.
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