Randomness At The Edge - Theory Of Quantum Hall Transport At Filling Nu=2/3
PHYSICAL REVIEW LETTERS, no. 26 (1994): 4129-4132
摘要
Current Luttinger liquid edge state theories for filling 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 of 2...更多
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