DIRECTION OF SECOND ORDER STRUCTURAL PHASE TRANSITION AT г POINT OF hn SPACE GROUPS | Zendy

Ruibao Tao | Zendy; Enxi Yu | Zendy; Jianhua Lu | Zendy; Zhe Chen | Zendy

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DIRECTION OF SECOND ORDER STRUCTURAL PHASE TRANSITION AT г POINT OF hn SPACE GROUPS

Author(s) -

Ruibao Tao,

Enxi Yu,

Jianhua Lu,

Zhe Chen

Publication year - 1983

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.32.819

Subject(s) - phase transition , space (punctuation) , order (exchange) , landau theory , point (geometry) , condensed matter physics , space group , transition point , physics , ferroics , quantum phase transition , phase (matter) , quantum critical point , statistical physics , mathematics , quantum mechanics , thermodynamics , geometry , computer science , diffraction , x ray crystallography , finance , economics , operating system

By calculating the minimum of thermodynamic potential in Landau's theory of second order phase transition, the direction of second order structural phase transition at Γ point of Ohn space groups are obtained. "Maximal subgroup" condition is discussed.

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