Open AccessTHE PSEUDO-SYMMETRY IN THE LOW SYMMETRY CRYSTAL SYSTEMS
Author(s) -
QiTai Zheng
Publication year - 1986
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.35.419
Subject(s) - translational symmetry , symmetry operation , symmetry (geometry) , global symmetry , symmetry number , theoretical physics , rotational symmetry , physics , explicit symmetry breaking , crystal (programming language) , symmetry group , spontaneous symmetry breaking , symmetry breaking , quantum mechanics , condensed matter physics , computer science , geometry , mathematics , mechanics , programming language
The pseudo-symmetry often occurs in the crystal structures. The types of pseudo-symmetry may be classified into three categories, i.e. enantiomorphous, translational and those based on other symmetry elements. The present paper discussed some possible translational types in detail, and derived the elements of the pseudo-symmetry for the low symmetry crystal systems (74 space groups). A number of examples show that the pseudo-symmetry is universally exist. Finally, the compatibility between the pseu-do and inberent symmetry groups is also discussed.