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Characterization of Topological States on a Lattice with Chern Number
(Institute of Physics, 2008)
We study Chern numbers to characterize the ground state of strongly interacting systems on a lattice. This method allows us to perform a numerical characterization of bosonic fractional quantum Hall (FQH) states on a lattice ...
Robust Optical Delay Lines with Topological Protection
(Nature Publishing Group, 2011)
Phenomena associated with the topological properties of physical systems can be naturally robust against perturbations. This robustness is exemplified by quantized conductance and edge state transport in the quantum Hall ...