Randomness at the edge: Theory of quantum Hall transport at filling ν=2/3
Randomness at the edge: Theory of quantum Hall transport at filling ν=2/3
Current Luttinger liquid edge state theories for filling \ensuremath{\nu}=2/3 predict a nonuniversal Hall conductance, in disagreement with experiment. Upon inclusion of random edge tunneling we find a phase transition into a new disorder-dominated edge phase. An exact solution of the random model in this phase gives a quantized Hall conductance …