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- Takashi Ichinomiya
- Physical review. E, Statistical, nonlinear, and…
- 2004

We study the frequency synchronization of a randomly coupled oscillators. By analyzing the continuum limit, we obtain a sufficient condition for the mean-field-type synchronization. We especially… (More)

- T Yanagita, Takashi Ichinomiya, Yoshihiko Oyama
- Physical review. E, Statistical, nonlinear, and…
- 2005

We analyze a pair of excitable FitzHugh-Nagumo elements, each of which is coupled repulsively. While the rest state for each element is globally stable for a phase-attractive coupling, various firing… (More)

- Takashi Ichinomiya
- Physical review. E, Statistical, nonlinear, and…
- 2005

We study the dynamics involved in a sparse random network model. We extend the standard mean-field approximation for the dynamics of a random network by employing the path-integral approach. The… (More)

- Takashi Ichinomiya, Blas Pedro Uberuaga, +5 authors Motoyasu Kinoshita
- 2009

Abstract We studied the migration dynamics of oxygen point defects in UO 2 which is the primary ceramic fuel for light-water reactors. Temperature accelerated dynamics simulations are performed for… (More)

- Motoyasu Kinoshita, Ying Jun Chen, +10 authors H. J. Matzke
- 2007

The electrical resistivity in organic superconductors show the T 2 -dependence at low temperatures above T c . This fact suggests that the electron-electron interaction determines the damping of… (More)

We investigate theoretically the temperature dependence of NMR relaxation rate ( T 1 -1 ) of (BEDT-TTF) 2 Cu[N(CN) 2 ]Br. In this material T 1 -1 shows T 3 temperature dependence in superconducting… (More)

We study the temperature and the interaction dependence of Green's function in the attractive Hubbard model using self-consistent T-matrix approximation (SCTMA). It is found that at low temperatures,… (More)

We study the frequency synchronization of phase oscillators in random networks. We investigate the kinetic equations of the oscillator distribution function using the continuum approximation. From a… (More)

We calculate one-particle spectrum A ( k ,ω) in the presence of strong d-wave attractive interaction. We use the self-consistent T-matrix approximation and get anomalous behavior of the spectrum at… (More)