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Supercomputer Adds Efficiency to Light-Matter Simulations

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TSUKUBA, Japan, Jan. 11, 2022 — Researchers at the University of Tsukuba developed a unified method for simulating light-matter interaction at the atomic scale. The method is considered to be highly efficient by the researchers, as it simultaneously calculates electromagnetic analysis for light electromagnetic fields: ab initio time-dependent density functional theory (TDDFT) for electron dynamics, and molecular dynamics for ionic motion. The simulation method addresses the three physical laws that apply to light-matter interaction: electromagnetism for light fields, quantum mechanics for electrons, and Newtonian...Read full article

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    Published: January 2022
    Glossary
    optoelectronics
    Optoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light and its interactions with different materials. The term "optoelectronics" is a combination of "optics" and "electronics," reflecting the interdisciplinary nature of this field. Optoelectronic devices convert electrical signals into optical signals or vice versa, making them crucial in various technologies. Some key components and applications of optoelectronics include: ...
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    quantum mechanics
    The science of all complex elements of atomic and molecular spectra, and the interaction of radiation and matter.
    light-matter interactionlight-matter interactionsResearch & TechnologyeducationRIKENsupercomputerAsia PacificoptoelectronicssimulationsMaterialsnanoquantum mechanicscomputing

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