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math.NA2021★ 1 cited
Computing spectral properties of topological insulators without artificial truncation or supercell approximation
Matthew J. Colbrook, Andrew Horning, Kyle Thicke +1
Topological insulators (TIs) are renowned for their remarkable electronic properties: quantised bulk Hall and edge conductivities, and robust edge wave-packet propagation, even in…
math.NA2016★ 8 cited
Orbital minimization method with regularization
Jianfeng Lu, Kyle Thicke
We consider a modification of the OMM energy functional which contains an penalty term in order to find a sparse representation of the low-lying eigenspace of self-adjoint…