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Vectorial Bulk-Boundary Correspondence for 3D Photonic Chern Insulators
Chiara Devescovi, Mikel Garcia-Diez, Barry Bradlyn +3
In 2D Chern insulators (2D CI), the topology of the bulk states is captured by a topological invariant, the Chern number. The scalar bulk-boundary correspondence (sBBC) relates the…
Energy density as a probe of band representations in photonic crystals
M. Blanco de Paz, M. A. J. Herrera, P. Arroyo Huidobro +6
Topological Quantum Chemistry (TQC) has recently emerged as a instrumental tool to characterize the topological nature of both fermionic and bosonic band structures. TQC is based o…
Wannier Function Methods for Topological Modes in 1D Photonic Crystals
Vaibhav Gupta, Barry Bradlyn
In this work, we use Wannier functions to analyze topological phase transitions in one dimensional photonic crystals. We first review the construction of exponentially localized Wa…