| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2017: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Outline of Final Research Achievements |
We have investigated correlations among fluctuations of information entropy current, electric charge current and heat current flowing through a two terminal quantum conductor. We developed a framework to calculate the probability distribution of fluctuations of information entropy received by one terminal and obtained the following results. 1) By analyzing the joint probability distribution between the fluctuations of information entropy and electric charge, we demonstrated that the entanglement entropy can be deduced from the electric current measurement for a certain condition. 2) We obtained the communication channel capacity of the information transmission through the quantum conductor. We demonstrated a connection between the optimum channel capacity and the entanglement entropy in the non-equilibrium steady state.
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