The Landau–Ginzberg Theory for the Two-Dimensional Bose Gas

Harry L Morrison, Achilles D Speliotopoulos
2002 Journal of Nonlinear Mathematical Physics  
Using results from sheaf theory combined with the phenomenological theory of the two-dimensional superfluid, the precipitation of quantum vortices is shown to be the genesis of a macroscopic order parameter for a phase transition in two dimensions.
doi:10.2991/jnmp.2002.9.4.7 fatcat:az7wgm6fsjcgnbwki53jktrpga