45 citations · 162 across the 23 of their papers we have counts for
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cond-mat.mtrl-sci2023★ 24 cited
Breakdown of Conventional Winding Number Calculation in One-Dimensional Lattices with Interactions Beyond Nearest Neighbors
Amir Rajabpoor Alisepahi, Siddhartha Sarkar, Kai Sun +1
Topological insulators hold promises to realize exotic quantum phenomena in electronic, photonic, and phononic systems. Conventionally, topological indices, such as winding numbers…
cond-mat.mtrl-sci2022★ 16 cited
Dynamics of self-dual kagome metamaterials and the emergence of fragile topology
Pegah Azizi, Siddhartha Sarkar, Kai Sun +1
Recent years have seen the discovery of systems featuring fragile topological states. These states of matter lack certain protection attributes typically associated with topology a…