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Journal Articles

Structure of superconducting Ca-intercalated bilayer Graphene/SiC studied using total-reflection high-energy positron diffraction

Endo, Yukihiro*; Fukaya, Yuki; Mochizuki, Izumi*; Takayama, Akari*; Hyodo, Toshio*; Hasegawa, Shuji*

Carbon, 157, p.857 - 862, 2020/02

 Times Cited Count:0 Percentile:100(Chemistry, Physical)

no abstracts in English

JAEA Reports

Parallel processing for the simulation of electromagnetic terahertz wave emission

Higuchi, Kenji; Hiratsuka, Atsushi*; Endo, Tatsuro; Ota, Yukihiro; Machida, Masahiko

JAEA-Data/Code 2010-025, 84 Pages, 2011/02


We describe the parallelization and performance evaluation of the simulation program for emission of terahertz electromagnetic wave from high-Tc cuprate superconductors, where high performance was achieved as a result of tuning on multi-core system. Firstly the simulation space was divided for parallel processing, where MPI communication was implemented. The divided simulation space was further assigned to processes on multi-processors. Secondly parallel performance on each processor was accelerated by multi-threads implemented by OpenMP with a ratio at the number of core's. We have evaluated the parallelized program on HA8000 cluster system at Information Technology Center of the University of Tokyo, and, thus, achieved high performance in the analysis of terahertz electromagnetic wave emission from superconductors.

Oral presentation

Structural analysis of Li-intercalated bilayer graphene on SiC studied by total-reflection high-energy positron diffraction

Endo, Yukihiro*; Mochizuki, Izumi*; Fukaya, Yuki; Takayama, Akari*; Hyodo, Toshio*; Hasegawa, Shuji*

no journal, , 

no abstracts in English

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