| Budget Amount *help |
¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Research Abstract |
In order to understand the dynamics of non-equilibrium state in nanoscale systems such as spintronics device, we develop the numerical solution for the time evolution of non-equilibrium state. For the continuum model we develop the self-consistent computation of the density of states and the probability distribution function by employing the quantum transport theory. For the correlated lattice model, we employ the so called matrix product states (MPS) and the time evolving block decimation (TEBD) for the Hubbard model. We show that the electron correlation blocks the spin current at the interface of paramagnetic and ferromagnetic states.
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