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Electronic Transport In Two-Dimensional Systems In The Quantum Hall Regime, Vinicio Tarquini
Electronic Transport In Two-Dimensional Systems In The Quantum Hall Regime, Vinicio Tarquini
Wayne State University Dissertations
The integer and the fractional quantum Hall effects are essential to the exploration of quantum matters characterized by topological phases. A quantum Hall system hosts one-dimensional (1D) chiral edge channels that manifest zero magnetoresistance, dissipationless due to the broken time reversal symmetry, and quantized Hall resistance v h e^2 with v being the topological invariant (or Chern number). The 1-1 correspondence between the conducting gapless edge channels to the gapped incompressible bulk states is a defining character of a topological insulator (TI). Understanding this correspondence in real systems, especially the origin of its robustness (in terms of the limit of …