SEARCH Articles Figures Tables Field theory Landau free energy model Free energy Landau expansion Free energy Landau theory Ginzburg-Landau free energy functional Landau Landau free energy expression Landau free energy hypersurface Landau free energy model Landau-Ginsburg free energy Landau-Ginzburg free energy Landau-Ginzburg free energy superconductivity Macroscopic Landau free-energy