Symmetry Modes
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The software package SYMMODES (Symmetry
Modes) provides the necessary tools for a
group-theoretical analysis of a structural phase
transition. For a given group - subgroup pair G > H the
program constructs the lattice of maximal subgroups
relating G and H and calculates the corresponding
primary and secondary modes.
SYMMODES has been developed in colaboration with
H.Stokes and D.Hatch (Brigham Young University,
Utah, USA).
Input Data: In order to obtain the group - subgroup
lattice G>H, input or select the numbers of the group
G, the subgroup H and the index of H in G.
How to obtain a valid index ?
More about the program.
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