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cond-mat1996
Quantum Coherence of Edge States in the Quantum Hall Effect -- Topological Invariants and Edge State Mixing --
Yasuhiro Hatsugai
Edge states in the integral quantum Hall effect on a lattice are reviewed from a topological point of view. For a system with edges which is realized inevitably in an experimental…
cond-mat1995
Hidden Massive Spectators in the Effective Field Theory for Integral Quantum Hall Transitions
Yasuhiro Hatsugai, Mahito Kohmoto, Yong-Shi Wu
Integral quantum Hall plateau transitions in a planar lattice system due to gap collapse can be described by an effective field theory with Dirac fermions. We discuss how to reprod…