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Universal symmetry-protected topological invariants for symmetry-protected topological states
Published 2014“…Symmetry-protected topological (SPT) states are short-range entangled states with a symmetry G. …”
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Local Field Topology behind Light Localization and Metamaterial Topological Transitions
Published 2015“…Our analysis reveals that such global topological transitions are governed by the dynamic local re-arrangement of local topological features of the optical interference field, such as vortices and saddle points, which reconfigures global optical powerflow within the metamaterial. …”
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Phase transitions in topological lattice models via topological symmetry breaking
Published 2012“…We study transitions between phases of matter with topological order. By studying these transitions in exactly solvable lattice models we show how universality classes may be identified and critical properties described. …”
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