Continuous topological phase transitions between clean quantum Hall states
Xiao-Gang Wen
Abstract
Continuous transitions between states with the same symmetry but different topological orders are studied. Clean quantum Hall (QH) liquids with neutral quasiparticles are shown to have such transitions. For clean bilayer (nnm) states, a continous transition to other QH states (including non-Abelian states) can be driven by increasing interlayer repulsion/tunneling. The effective theories describing the critical points at some transitions are derived.
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