GTLandauExpansion

GTLandauExpansion[irreducible representations, basis, order]

] gives a symmetry-adapted free energy expansion of generalized order parameters.

Details and Options

  • The following options can be given:
  • GOSuperconductor {}Controls if the order parameter describes a superconductor and requires U(1) invariance

Examples

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Basic Examples  (2)

Polarization in cubic symmetry  (1)

The Polarization transforms like a vector, i . e ., the irreducible representation T1u

Coupling of order parameters  (1)

Consider two two-component order parameters transforming as Eg and Eu.

Options  (1)

GOSuperconductor  (1)

2-component superconducting order  (1)

Consider the two-component order parameter transforming as Eu