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Jurnal Fisika Indonesia
Published by Universitas Gadjah Mada
ISSN : 14102994     EISSN : 25798820     DOI : https://doi.org/10.22146/jfi.v23i3.41404
Core Subject : Science, Education,
Astronomy Earth & Planetary Sciences Education Energy Physics
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).
Arjuna Subject : Fisika dan Astronomi - Condensed Matter Physics
Articles 1 Documents
 1 
Search results for , issue "Vol 20, No 3 (2016)" : 1 Documents clear
A Review Of The Linear Response Function In Condensed Matter Physics And Their Application In Some Elementary Processes Ibnu Jihad; Kamsul Abraha
Jurnal Fisika Indonesia Vol 20, No 3 (2016)
Publisher : Department of Physics Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfi.v20i3.56138

Abstract

Linear response theory in quantum theory with its linear response function and its quantization process has been formulated. The relation between the linear response function with its generalized susceptibility, its symmetry properties, and its analyticity has been studied. These properties produce the dispersion relation or Kramers-Kronig relation. The explicit form of the quantum response function and generalized susceptibility also been reviewed. Applications of linear response functions have been described for three elementary processes. The process discussed is the magnetic field disturbance in the magnetic system that generates magnetic susceptibility, and the electric field disturbance in the electrical system that generates electrical conductivity tensor and the ferromagnet Heisenberg that generates its generalized susceptibility.

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