Discovery of Fractionalized Neutral Spin-1/2 Excitation of Topological Order
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After the discovery of fraction quantum Hall states in the 1980s, it became more and more clear that Landau symmetry breaking theory does not describe all possible quantum phases of matter. The new quantum phases of matter were called topologically ordered phases[2,3] (for gapped cases) or quantum ordered phases (for gapless cases), which correspond to patterns of many-body entanglement.[5–7] One may wonder: besides quantum Hall systems, are there other systems that realize the new topological/quantum order?
DepartmentMassachusetts Institute of Technology. Department of Physics
Chinese Physics Letters
Wen, Xiao-Gang. "Discovery of Fractionalized Neutral Spin-1/2 Excitation of Topological Order." Chinese Physics Letters 34, 9 (August 2017): 090101 © 2017 Chinese Physical Society and IOP Publishing
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