Magnetization reversal
The reversal of magnetization caused by magnetic fields or electrical currents.
 K computer
A supercomputer jointly developed by RIKEN and Fujitsu.
 Heavy rare earth elements
Includes extremely scarce rare earth elements such as dysprosium. Reducing usage levels is a critical issue.
 Finite-element method
A method of numerical analysis. Widely used in structural analysis and magnetic-field analysis.
A method of analyzing the fine structure of a magnetic material. In a computer simulation, if the magnetic material is divided into regions the size of a few atoms, the computing time is enormous.
 Simulations performed on the K computer
Simulations performed on the K computer Performed as a general-purpose simulation, grant number hp120086 (principal investigator: Yoshihiro Gohda, The University of Tokyo).
 Magnetic-domain structure
In order to reduce magnetic energies in the interior of a magnetic material, it is divided into minute regions called magnetic domains. The boundary region between magnetic domains is called a domain wall.
 First-principle electronic structure calculations
A method of calculating characteristics of substances on an atomic level based on quantum mechanics (first principles).
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Date: 05 September, 2013
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