Jurnal Fisika Indonesia (JFI) Is an open access scientific peer-reviewed journal published by Department of Physics Universitas Gadjah Mada that publishes researches on Physics, covering both theory, experiments, computation and applied physics including geophysics. We have a mission to build scientific research foundations in theoretical and applied physics to support education, research and community service in Indonesia. A manuscript can be written in English or in Bahasa Indonesia, but Abstracts are required to be written in English. All submitted manuscripts will be reviewed thoroughly by the committee of editors and reviewers. Publication in this journal is free of charge and is periodically done three times a year (April, August, and December).