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Kim IH, Pak JO, Kim IH, et al. The wavevector substar group in reciprocal space and its representation. Acta Crystallogr A Found Adv. 2017;73:403-413doi: 10.1107/S205327331700688X.
Kim, I. H., Pak, J. O., Kim, I. H., Kim, S. W., & Li, L. (2017). The wavevector substar group in reciprocal space and its representation. Acta crystallographica. Section A, Foundations and advances, 73403-413. https://doi.org/10.1107/S205327331700688X
Kim, Il Hwan, et al. "The wavevector substar group in reciprocal space and its representation." Acta crystallographica. Section A, Foundations and advances vol. 73 (2017): 403-413. doi: https://doi.org/10.1107/S205327331700688X
Kim IH, Pak JO, Kim IH, Kim SW, Li L. The wavevector substar group in reciprocal space and its representation. Acta Crystallogr A Found Adv. 2017 Sep 01;73:403-413. doi: 10.1107/S205327331700688X. Epub 2017 Aug 15. PMID: 28862166.
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Acta Crystallogr A Found Adv. 2017 Sep 01;73:403-413. doi: 10.1107/S205327331700688X. Epub 2017 Aug 15.

The wavevector substar group in reciprocal space and its representation.

Acta crystallographica. Section A, Foundations and advances

Il Hwan Kim, Jong Ok Pak, Il Hun Kim, Song Won Kim, Lin Li

Affiliations

  1. Department of Physics, Kim Hyong Jik Normal University, Pyongyang, Democratic People's Republic of Korea.
  2. Department of Physics, Pyongyang University of Mechanical Engineering, Pyongyang, Democratic People's Republic of Korea.
  3. College of Science, Northeastern University, Shenyang 110819, People's Republic of China.

PMID: 28862166 DOI: 10.1107/S205327331700688X

Abstract

A new concept of the wavevector substar group is established which, in the study of translational symmetry breaking of a crystal, only considers the particular arms of the wavevector star taking part in the phase transition; this is in contrast with the traditional Landau theory which considers all of the arms of the wavevector star. It is shown that this new concept can be used effectively to investigate the interesting physical properties of crystals associated with translational symmetry breaking. It is shown that studies on complicated phase transitions related to reducible representations, such as those in perovskite KMnF

Keywords: phase transitions; representation of wavevector substar group; star channel group; translational symmetry breaking; wavevector substar group

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