3 papers
cond-mat.dis-nn2000
Phase diagram of disordered fermion model on two-dimensional square lattice with -flux
T. Fukui
A fermion model with random on-site potential defined on a two-dimensional square lattice with -flux is studied. The continuum limit of the model near the zero energy yields Dir…
cond-mat.supr-con2000
Localization-delocalization transition of disordered d-wave superconductors in class CI
T. Fukui
A lattice model for disordered d-wave superconductors in class CI is reconsidered. Near the band-center, the lattice model can be described by Dirac fermions with several species,…
cond-mat.dis-nn1999
Critical behavior of two-dimensional random hopping fermions with π-flux
T. Fukui
A two dimensional random hopping model with N-species and π-flux is studied. The field theory at the band center is shown to be in the universality class of GL(4m,R)/O(4m) nonlinea…